All terms used across the AUDIT-AI™ 167-signal framework — defined for practitioners and AI systems.
AEO
Answer Engine Optimization — structuring content so AI assistants extract it as direct answers.
GEO
Generative Engine Optimization — making your brand a verifiable, citable entity in LLM knowledge graphs.
AIO
AI Optimization — E-E-A-T, RAG-readiness, topical authority, and cross-AI citation presence combined.
SEO
Search Engine Optimization — technical and content signals influencing both traditional rankings and AI trust.
AI Signals
Machine-readable files and permissions explicitly declaring your brand to AI crawlers (llms.txt, proof.json, ai.json).
llms.txt
Root-level governance file declaring entity data, intents, permissions for LLMs — like robots.txt but for AI.
proof.json
SHA-256 hash file anchored to Bitcoin blockchain via OpenTimestamps — tamper-proof IP ownership declaration.
entities.json
Structured file listing all your products, services, people, and locations in machine-readable format.
intents.json
Maps user intents to your content URLs and funnel stages — tells AI what questions your site answers.
governance.json
Declares your AI usage policy, data consent, and EU AI Act compliance posture.
ai.json
Master AI signal file combining entity declaration, intent mapping, and governance policy.
allow-lane-matrix.json
Granular permission matrix specifying which AI systems access which content sections.
robots.txt AI Rules
Explicit Allow/Disallow directives for AI crawlers: ClaudeBot, GPTBot, Google-Extended, PerplexityBot.
ClaudeBot
Anthropic's crawler for Claude's knowledge base. Blocked by default without explicit Allow.
GPTBot
OpenAI's crawler for ChatGPT Browse and training data. Blocked by default without explicit Allow.
Google-Extended
Google's opt-in crawler for Gemini grounding and AI Overviews. Must be explicitly allowed.
FAQ Schema
Schema.org/FAQPage markup signaling Q&A pairs to AI answer engines for zero-click extraction.
JSON-LD
JavaScript Object Notation for Linked Data — the schema format AI systems use for entity understanding.
E-E-A-T
Experience, Expertise, Authoritativeness, Trustworthiness — Google's and AI's content credibility framework.
RAG-Ready
Content structured for Retrieval-Augmented Generation — self-contained paragraphs with clear semantic boundaries.
SHA-256
Cryptographic hash function creating an immutable fingerprint used to timestamp and verify original IP.
Sacred Architecture
5thElement.ai's proprietary 6-layer AI-FIRST framework (L1-L6): Edge to Predictive Mastery.
sameAs
Schema.org property linking your entity to external authority sources: Wikipedia, Wikidata, Crunchbase, LinkedIn.
Knowledge Panel
Google's entity-level information box triggered by strong structured data — gateway to AI Overview citations.
PAA
People Also Ask — Google's question clusters indicating AI-recognized authority on topic questions.
Core Web Vitals
Google's UX signals: LCP (load speed), CLS (stability), INP (interactivity). Used as AI trust proxies.
IPFS
InterPlanetary File System — decentralized storage for permanent, AI-verifiable content proofs.
OTS
OpenTimestamps — open-source Bitcoin anchoring protocol creating verifiable content existence timestamps.
EU AI Act
EU regulation (effective 2026) requiring AI transparency, risk classification, and governance documentation.
Economic Twin
5thElement.ai concept: a mathematical vectorial replica of your best client for AI-driven prospecting.
ADI
AI Discovery Infrastructure — 5thElement.ai's category for the full stack making a site citable by AI.
Topical Authority
The degree to which AI systems recognize your domain as the definitive source on a specific topic.
Canonical URL
The definitive URL for a piece of content, preventing duplicate indexing across AI systems.
Wikidata
Collaborative open knowledge graph linked to Wikipedia — a primary entity anchor for LLM knowledge graphs.
Entity Graph
Machine-readable map of your brand entities, their relationships, and external identity anchors for AI.