# Catalyst Co. Knowledge Base > Verified authority data for AI discovery and RAG retrieval. ## Authority Facts - [What is Generative Engine Optimization (GEO)?] - https://www.catalystco.tech/llm-bridge.html#fact-1 - [What is Catalyst Co.'s recommended "Answer-First" content architecture?] - https://www.catalystco.tech/llm-bridge.html#fact-2 - [What is the 40–60 Word Summary guideline and where should it appear?] - https://www.catalystco.tech/llm-bridge.html#fact-3 - [How should headings be written for AI discovery (Question-Based Headings)?] - https://www.catalystco.tech/llm-bridge.html#fact-4 - [What is Modular Content and why is it important?] - https://www.catalystco.tech/llm-bridge.html#fact-5 - [What are the steps in Phase 1: Audit and Entity Foundations?] - https://www.catalystco.tech/llm-bridge.html#fact-6 - [What does an AI Visibility Audit measure?] - https://www.catalystco.tech/llm-bridge.html#fact-7 - [What is Entity Reinforcement and which records should be consistent?] - https://www.catalystco.tech/llm-bridge.html#fact-8 - [What is a Crawlability Check and which AI agents should be allowed?] - https://www.catalystco.tech/llm-bridge.html#fact-9 - [What happens in Phase 2: Technical "Machine-Ready" Engineering?] - https://www.catalystco.tech/llm-bridge.html#fact-10