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Terminology

2185 terms, tools, patterns and metrics an architect is expected to use precisely. Each one gets a short explanation of what it is, and — where it matters — what it is commonly confused with. Search filters as you type; the column headers sort.

All areas2185 Architecture Fundamentals77 Distributed Systems107 Data Architecture110 Cloud Architecture89 Networking88 API & Integration Architecture82 Reliability & Resilience75 Observability70 Performance & Capacity Engineering72 Security Architecture81 Cost Architecture & FinOps66 Business Architecture67 Architecture Communication67 Enterprise Architecture66 Legacy Modernization66 AI-Era Architecture69 Software Architecture & Engineering71 Architecture Patterns71 Architecture Decision-Making63 The Architect's Meta-Skills61 Delivery & Release Engineering66 Platform Engineering & Developer Experience70 Testing & Quality Architecture66 Data Platform Architecture64 Streaming & Real-Time Data69 Data Governance & Semantics69 Frontend & Experience Architecture66 Edge, Mobile & IoT68 Regulatory & Data Protection Architecture65 Assurance, Audit & Model Risk64
Kind Any concept785 practice729 pattern362 metric125 case-study77 tool62 protocol45

3 terms shown.

Term Kind Topic What it is
Candidate Recall Ceiling First-Stage Recall, Retrieval Ceiling metric Reranking The share of queries whose correct passage appears anywhere in the first-stage candidate set - the hard upper bound on every later stage, since reranking reorders what was retrieved and cannot add to it.
Inference Cost per Interaction metric AI Cost Management The fully loaded token cost of one user interaction, including retrieval, retries, guardrails and agent loops, measured rather than estimated.
Quality Proxy Metric Implicit Quality Signal, Behavioural Quality Indicator metric AI Observability A continuously available production signal that moves when answer quality moves - abstention rate, regeneration rate, escalation rate - used to page someone in the hours before a labelled evaluation could ever run.