Terminology

681 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 areas681 Architecture Fundamentals38 Distributed Systems73 Data Architecture71 Cloud Architecture55 Networking51 API & Integration Architecture45 Reliability & Resilience40 Observability33 Performance & Capacity Engineering34 Security Architecture50 Cost Architecture & FinOps12 Business Architecture9 Architecture Communication8 Enterprise Architecture8 Legacy Modernization11 AI-Era Architecture34 Software Architecture & Engineering37 Architecture Patterns34 Architecture Decision-Making30 The Architect's Meta-Skills8

Kind Any concept258 practice180 pattern127 protocol32 tool32 case-study26 metric26

2 terms shown.

Term	Kind	Topic	What it is
Aspirational and Achievable SLO	practice	SLI, SLO & SLA	The distinction between the reliability a team wishes for and the reliability its current architecture and dependencies can actually deliver.
Request-Based and Window-Based SLI	metric	SLI, SLO & SLA	Two ways of computing the same reliability target — counting good events, or counting good time windows — which produce materially different numbers.