{
  "name": "AI Search Terms Explained",
  "canonical": "https://aisearchtermsexplained.com/glossary/",
  "publisher": "Dean Jessop",
  "dateModified": "2026-07-22",
  "terms": [
    {
      "term": "AI Agent",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "agentic AI",
        "browser agent"
      ],
      "definition": "A software system that can plan or perform actions toward a goal, often by calling tools, browsing pages or interacting with services.",
      "instruction": "Use accessible labels, predictable controls and clear confirmation steps when an agent may interact with a website."
    },
    {
      "term": "AI Mode",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "Google AI Mode"
      ],
      "definition": "A Google Search experience designed for longer, exploratory and comparative questions using generative AI and supporting web links.",
      "instruction": "Maintain the normal SEO foundation; Google does not require separate AI Mode markup."
    },
    {
      "term": "AI Optimization",
      "abbr": "AIO",
      "category": "Publishing",
      "aliases": [
        "AIO",
        "AI visibility optimization"
      ],
      "definition": "A broad, non-standard label for work intended to improve content, data or business information for AI-powered systems.",
      "instruction": "Define the scope every time the term is used because AIO can also mean AI Overviews."
    },
    {
      "term": "AI Overviews",
      "abbr": "AIO",
      "category": "AI Systems",
      "aliases": [
        "Google AI Overviews",
        "AIO"
      ],
      "definition": "Google-generated summaries that may appear in Search with supporting web links for questions where an overview may help.",
      "instruction": "Do not create a separate hidden AI page. Keep important information crawlable, textual and accurately structured."
    },
    {
      "term": "AI Search",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "generative search",
        "AI-assisted search"
      ],
      "definition": "A search experience that uses AI to interpret a request, retrieve information and often generate a direct or synthesized response.",
      "instruction": "Treat AI search as a group of different products rather than one universal engine."
    },
    {
      "term": "Answer Engine",
      "abbr": "",
      "category": "Publishing",
      "aliases": [
        "direct answer system"
      ],
      "definition": "A search or information system designed to provide a direct response rather than only a list of possible sources.",
      "instruction": "Write the essential answer first, then add the evidence, conditions and context needed to use it correctly."
    },
    {
      "term": "Answer Engine Optimization",
      "abbr": "AEO",
      "category": "Publishing",
      "aliases": [
        "AEO",
        "answer optimization"
      ],
      "definition": "The practice of presenting accurate information in a direct, structured form that can satisfy a specific question.",
      "instruction": "Use descriptive question headings, answer immediately and keep the answer visible in ordinary HTML."
    },
    {
      "term": "Attribution",
      "abbr": "",
      "category": "Publishing",
      "aliases": [
        "source credit",
        "credit"
      ],
      "definition": "The act of identifying the source, author or organization responsible for information, research, media or a claim.",
      "instruction": "Link to original or authoritative sources and identify who produced original work."
    },
    {
      "term": "Canonical URL",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "canonical tag",
        "rel canonical"
      ],
      "definition": "The preferred URL selected for a page when the same or very similar content can be reached through more than one address.",
      "instruction": "Use a self-referencing canonical on unique pages and avoid publishing copies across several domains."
    },
    {
      "term": "Chatbot",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "conversational assistant"
      ],
      "definition": "A software interface that accepts conversational input and returns generated or scripted responses.",
      "instruction": "Do not assume every chatbot searches the live web; retrieval access varies by product and session."
    },
    {
      "term": "Chunking",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "document chunking",
        "text chunk"
      ],
      "definition": "The process of dividing a document into smaller passages that can be indexed and retrieved independently.",
      "instruction": "Use clear sections and headings so passages retain meaning when retrieved away from the full page."
    },
    {
      "term": "Citation",
      "abbr": "",
      "category": "Publishing",
      "aliases": [
        "supporting link",
        "source link"
      ],
      "definition": "A reference identifying a source used to support or expand an answer.",
      "instruction": "A citation is not the same as an endorsement, ranking or guarantee that the source will be reused later."
    },
    {
      "term": "Context Window",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "model context"
      ],
      "definition": "The amount of text, data or tokens a language model can consider within a single interaction.",
      "instruction": "Put essential definitions close to the relevant heading instead of relying on distant context."
    },
    {
      "term": "Crawlability",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "crawl access"
      ],
      "definition": "The ability of a crawler to reach and request a page and its important resources.",
      "instruction": "Return successful HTTP responses, use crawlable links and avoid login walls for public material."
    },
    {
      "term": "Crawler",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "bot",
        "spider",
        "web crawler"
      ],
      "definition": "Automated software that requests pages and resources so a service can discover, index, analyze or use them.",
      "instruction": "Check robots.txt and server logs, but also confirm that the firewall, CDN and bot protection allow legitimate crawlers."
    },
    {
      "term": "Data Freshness",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "freshness",
        "current data"
      ],
      "definition": "How current the available information is relative to the question being asked.",
      "instruction": "Update changed services, hours, prices, locations and contact details rather than leaving contradictory versions online."
    },
    {
      "term": "DefinedTerm",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "schema DefinedTerm"
      ],
      "definition": "A schema.org type used to describe a word, phrase, acronym or concept and its meaning.",
      "instruction": "Use it to describe visible definitions, not to insert hidden meanings that the page never explains."
    },
    {
      "term": "Digital Handshake",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "online introduction"
      ],
      "definition": "The public introduction connecting a business identity with its services, locations, contact details and official links before a customer makes contact.",
      "instruction": "Make the identity, offer, service area and next step clear on the same public page."
    },
    {
      "term": "E-E-A-T",
      "abbr": "E-E-A-T",
      "category": "Publishing",
      "aliases": [
        "experience expertise authoritativeness trust"
      ],
      "definition": "A quality-evaluation concept referring to experience, expertise, authoritativeness and trust, with trust as the central consideration.",
      "instruction": "Show who created the content, why they know the subject and what evidence supports important claims."
    },
    {
      "term": "Embedding",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "vector embedding"
      ],
      "definition": "A numerical representation used to capture relationships or similarity among words, passages, images or other data.",
      "instruction": "Remember that semantic similarity does not prove factual accuracy or business identity."
    },
    {
      "term": "Entity",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "named entity",
        "business entity"
      ],
      "definition": "A distinct person, organization, place, product, event or concept that a system can identify and connect with information.",
      "instruction": "Use consistent names and official links so the same entity is not mistaken for several unrelated ones."
    },
    {
      "term": "Entity Resolution",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "record linkage",
        "identity resolution"
      ],
      "definition": "The process of deciding whether different records or references describe the same real-world entity.",
      "instruction": "Correct conflicting names, addresses, phone numbers and websites where the business has control."
    },
    {
      "term": "Generative AI",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "gen AI"
      ],
      "definition": "AI designed to create new text, images, audio, code or other outputs from learned patterns and supplied context.",
      "instruction": "Review generated material for accuracy, originality, relevance and unsupported claims before publication."
    },
    {
      "term": "Generative Engine Optimization",
      "abbr": "GEO",
      "category": "Publishing",
      "aliases": [
        "GEO",
        "generative search optimization"
      ],
      "definition": "Work intended to improve the usefulness or visibility of content and entities in generated answers.",
      "instruction": "Add original value, clear authorship, direct definitions, supporting evidence and a strong technical foundation."
    },
    {
      "term": "Grounding",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "grounded answer"
      ],
      "definition": "The use of retrieved or supplied evidence to anchor a generated response in external information.",
      "instruction": "Grounding can reduce unsupported answers, but the source and retrieval process can still be wrong."
    },
    {
      "term": "Hallucination",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "fabrication",
        "unsupported generation"
      ],
      "definition": "A generated statement that is false, unsupported or presented with more confidence than the available evidence justifies.",
      "instruction": "Provide verifiable facts and monitor important brand information, but do not claim hallucinations can be eliminated by publishing one page."
    },
    {
      "term": "Index",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "search index"
      ],
      "definition": "A processed collection of pages, records or passages that a search or retrieval system can query.",
      "instruction": "A crawler reaching a page does not guarantee that the page will be indexed."
    },
    {
      "term": "IndexNow",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "URL submission protocol"
      ],
      "definition": "A protocol that lets participating search engines know when a URL has been added, updated or deleted.",
      "instruction": "Submit changed URLs after deployment, but understand that receipt does not guarantee indexing."
    },
    {
      "term": "Information Retrieval",
      "abbr": "IR",
      "category": "AI Systems",
      "aliases": [
        "retrieval"
      ],
      "definition": "The process of locating relevant documents, records or passages in response to a query.",
      "instruction": "Write sections that remain understandable when retrieved as individual passages."
    },
    {
      "term": "JSON-LD",
      "abbr": "JSON-LD",
      "category": "Entity & Data",
      "aliases": [
        "linked data JSON",
        "structured data script"
      ],
      "definition": "A JSON-based format commonly used to add linked structured data to a web page.",
      "instruction": "Keep JSON-LD valid, page-specific and consistent with what users can see."
    },
    {
      "term": "Knowledge Graph",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "entity graph"
      ],
      "definition": "A structured network of entities and the relationships among them.",
      "instruction": "Connect official names, people, organizations, places and products consistently rather than repeating disconnected keywords."
    },
    {
      "term": "Knowledge Panel",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "Google knowledge panel"
      ],
      "definition": "An information panel generated by Google from its understanding of an entity and relevant sources.",
      "instruction": "A business cannot create a knowledge panel directly; it can maintain accurate official information and relevant profiles."
    },
    {
      "term": "Large Language Model",
      "abbr": "LLM",
      "category": "AI Systems",
      "aliases": [
        "language model"
      ],
      "definition": "A model trained on large amounts of language data to predict and generate text and perform language-related tasks.",
      "instruction": "Do not treat an LLM’s internal knowledge as a live, complete or always accurate database."
    },
    {
      "term": "llms.txt",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "LLM text file",
        "AI text file"
      ],
      "definition": "A proposed plain-text website guide intended to summarize important pages for systems that choose to read it.",
      "instruction": "Use it only as a supplement. Google states that special AI text files are not required for AI Overviews or AI Mode."
    },
    {
      "term": "Local SEO",
      "abbr": "",
      "category": "Local Search",
      "aliases": [
        "local search optimization"
      ],
      "definition": "Work intended to improve how a business appears for location-related searches and local customer needs.",
      "instruction": "Maintain the Google Business Profile, accurate business details, relevant location content and real customer information."
    },
    {
      "term": "Model Context Protocol",
      "abbr": "MCP",
      "category": "AI Systems",
      "aliases": [
        "MCP"
      ],
      "definition": "A protocol for connecting AI applications with external tools, data sources and services through standardized interfaces.",
      "instruction": "MCP is an application integration concept, not a replacement for public website crawlability."
    },
    {
      "term": "NAP",
      "abbr": "NAP",
      "category": "Local Search",
      "aliases": [
        "name address phone"
      ],
      "definition": "A local-search abbreviation for a business’s name, address and phone number.",
      "instruction": "Use the current official details consistently while accounting for service-area businesses that do not publicly receive customers at an address."
    },
    {
      "term": "Natural Language Processing",
      "abbr": "NLP",
      "category": "AI Systems",
      "aliases": [
        "NLP"
      ],
      "definition": "A field concerned with enabling computers to process, interpret and generate human language.",
      "instruction": "Write naturally and clearly; awkward keyword repetition is not required for machines to understand the topic."
    },
    {
      "term": "Noindex",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "noindex directive"
      ],
      "definition": "A directive asking compliant search engines not to include a page in their search index.",
      "instruction": "Allow the crawler to access the page if it must read the noindex directive."
    },
    {
      "term": "OAI-SearchBot",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "OpenAI search crawler"
      ],
      "definition": "OpenAI’s crawler used to discover public content for ChatGPT search experiences.",
      "instruction": "Allow it in robots.txt and ensure the server or WAF does not block legitimate requests when search visibility is desired."
    },
    {
      "term": "Organic Search",
      "abbr": "",
      "category": "Publishing",
      "aliases": [
        "unpaid search"
      ],
      "definition": "Unpaid visibility in search results rather than placement purchased through advertising.",
      "instruction": "Separate organic visibility reporting from paid campaigns and referral traffic."
    },
    {
      "term": "Passage Retrieval",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "passage search"
      ],
      "definition": "The process of locating a specific section of a document that may answer a question.",
      "instruction": "Use headings, complete sentences and local context so a retrieved passage does not become misleading."
    },
    {
      "term": "PerplexityBot",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "Perplexity crawler"
      ],
      "definition": "Perplexity’s crawler for surfacing and linking websites in Perplexity search results.",
      "instruction": "Allow the crawler and, where necessary, verify official IP ranges in WAF rules."
    },
    {
      "term": "Prompt",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "instruction",
        "user prompt"
      ],
      "definition": "Input provided to an AI system describing a request, question, context or desired behaviour.",
      "instruction": "A user’s wording can change retrieval and output, so test realistic customer questions rather than only one exact prompt."
    },
    {
      "term": "Query Fan-Out",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "fan-out queries"
      ],
      "definition": "A technique in which an AI search system issues multiple related searches to address different parts of a complex request.",
      "instruction": "Build a coherent topic structure instead of creating a thin page for every imagined wording variation."
    },
    {
      "term": "Ranking",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "search ranking"
      ],
      "definition": "The ordering or scoring of documents, passages, products or results according to a system’s relevance and quality criteria.",
      "instruction": "Do not confuse technical eligibility with a guarantee of high placement."
    },
    {
      "term": "Recognition Engine Guidance",
      "abbr": "REG",
      "category": "Entity & Data",
      "aliases": [
        "Recognition REG"
      ],
      "definition": "The first REG pillar, focused on helping systems identify the correct business or entity and connect its legitimate public references.",
      "instruction": "Standardize the official name, people, location, services, contacts and official links."
    },
    {
      "term": "Retrieval Engine Guidance",
      "abbr": "REG",
      "category": "Entity & Data",
      "aliases": [
        "Retrieval REG"
      ],
      "definition": "The second REG pillar, focused on making accurate information about an entity available and retrievable for relevant questions.",
      "instruction": "Publish direct service, area, credential, policy and contact information in visible text."
    },
    {
      "term": "Retrieval-Augmented Generation",
      "abbr": "RAG",
      "category": "AI Systems",
      "aliases": [
        "RAG"
      ],
      "definition": "An AI architecture that retrieves external information and supplies it as context while a model generates a response.",
      "instruction": "Evaluate source quality, retrieval quality and generation quality separately."
    },
    {
      "term": "Rich Result",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "rich snippet"
      ],
      "definition": "A search result enhanced with additional visual or interactive information supported by eligible structured data.",
      "instruction": "Valid structured data creates eligibility, not a guaranteed enhanced appearance."
    },
    {
      "term": "robots.txt",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "robots file",
        "robots exclusion"
      ],
      "definition": "A file at the site root that communicates crawl permissions to robots that follow the Robots Exclusion Protocol.",
      "instruction": "Use User-agent: * and Allow: / when the goal is to permit all compliant crawlers."
    },
    {
      "term": "Schema Markup",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "schema.org markup",
        "structured markup"
      ],
      "definition": "Machine-readable vocabulary used to describe people, organizations, articles, products, events, terms and other entities on a page.",
      "instruction": "Choose page-appropriate types and do not add unsupported or invisible claims."
    },
    {
      "term": "Search Engine Optimization",
      "abbr": "SEO",
      "category": "Publishing",
      "aliases": [
        "SEO"
      ],
      "definition": "The practice of helping search engines discover and understand content while helping people find useful pages through search results.",
      "instruction": "Start with crawlability, useful content, internal links, page structure and accurate business details."
    },
    {
      "term": "Semantic Search",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "meaning-based search"
      ],
      "definition": "Search that attempts to understand meaning, relationships and intent rather than relying only on exact word matching.",
      "instruction": "Use natural language, clear entities and complete explanations instead of forcing every possible keyword variation."
    },
    {
      "term": "Service Area",
      "abbr": "",
      "category": "Local Search",
      "aliases": [
        "area served",
        "service radius"
      ],
      "definition": "The geographic area in which a business provides services to customers.",
      "instruction": "Name real cities, regions or distance limits and distinguish the service area from a storefront address."
    },
    {
      "term": "Sitemap",
      "abbr": "",
      "category": "Technical",
      "aliases": [
        "XML sitemap"
      ],
      "definition": "A machine-readable list of important site URLs and optional update information used to support discovery.",
      "instruction": "Submit the sitemap to search tools and keep it aligned with canonical, indexable pages."
    },
    {
      "term": "Structured Data",
      "abbr": "",
      "category": "Entity & Data",
      "aliases": [
        "structured markup",
        "schema data"
      ],
      "definition": "Machine-readable information that labels the meaning and relationships of page content using a defined vocabulary.",
      "instruction": "Ensure every material statement in the structured data is supported by visible page content."
    },
    {
      "term": "Token",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "LLM token"
      ],
      "definition": "A unit of text processed by a language model; a word may contain one or several tokens.",
      "instruction": "Token counts affect model context and cost, but website quality is not measured by token volume."
    },
    {
      "term": "Tool Calling",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "function calling"
      ],
      "definition": "The ability of an AI system to invoke external functions, searches, databases or services while handling a request.",
      "instruction": "Design public interactions with clear labels, predictable inputs and confirmation before consequential actions."
    },
    {
      "term": "Vector Database",
      "abbr": "",
      "category": "AI Systems",
      "aliases": [
        "vector store"
      ],
      "definition": "A database designed to store and search numerical vector representations, often used for semantic retrieval.",
      "instruction": "A vector database improves similarity search; it does not resolve inaccurate source data automatically."
    },
    {
      "term": "Voice Search",
      "abbr": "",
      "category": "Local Search",
      "aliases": [
        "spoken search"
      ],
      "definition": "A search initiated through spoken language, often using a phone, car system, smart speaker or assistant.",
      "instruction": "Answer natural customer questions and keep local contact and location information current."
    },
    {
      "term": "Zero-Click Search",
      "abbr": "",
      "category": "Publishing",
      "aliases": [
        "no-click search"
      ],
      "definition": "A search session in which the user receives enough information on the results page or answer interface without clicking a website.",
      "instruction": "Measure more than website clicks; visibility, branded demand and later customer actions may occur elsewhere."
    }
  ]
}