Glossary
The working vocabulary
87 plain, answer-first definitions, no jargon explaining jargon.
AI
Large Language Model (LLM)TokenContext WindowRetrieval-Augmented Generation (RAG)EmbeddingVector DatabaseSemantic SearchPrompt EngineeringFine-TuningHallucinationModel EvaluationInferenceModel Context Protocol (MCP)AI Agentllms.txtAgentic AIMultimodal ModelQuantizationSystem PromptFunction CallingKnowledge Cutoff
Careers
Engineering
Go-to-market
Metrics
Annual Recurring Revenue (ARR)Monthly Recurring Revenue (MRR)Net Revenue Retention (NRR)Gross Revenue Retention (GRR)Churn RateCustomer Acquisition Cost (CAC)Customer Lifetime Value (LTV)CAC Payback PeriodBurn MultipleCommitted ARR (cARR)Rule of 40SaaS Magic NumberSaaS Quick RatioLogo ChurnCohort AnalysisExpansion Revenue