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Terminology

2205 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 areas2205 Architecture Fundamentals77 Distributed Systems107 Data Architecture110 Cloud Architecture94 Networking88 API & Integration Architecture82 Reliability & Resilience75 Observability70 Performance & Capacity Engineering72 Security Architecture86 Cost Architecture & FinOps71 Business Architecture67 Architecture Communication67 Enterprise Architecture66 Legacy Modernization71 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 concept794 practice734 pattern368 metric125 case-study77 tool62 protocol45

4 terms shown.

Term Kind Topic What it is
Cost of Delay concept Portfolio Prioritisation The economic loss per unit of time that a decision or delivery is postponed, which turns prioritisation from opinion into arithmetic.
Keeping-the-Lights-On Baseline Run Reservation, KTLO Allocation practice Portfolio Prioritisation The share of engineering capacity that unplanned and maintenance work consumes whether or not it is planned, reserved explicitly so that roadmap commitments are achievable and the trade-off is visible.
Protected Allocation Ring-Fenced Capacity, Non-Negotiated Investment practice Portfolio Prioritisation A fixed share of capacity reserved for a category of work that loses every individual comparison against features - because the aggregate outcome would otherwise be nobody's decision.
Weighted Shortest Job First practice Portfolio Prioritisation Sequencing work by dividing the cost of delaying it by the effort to deliver it, which maximises value delivered per unit of time.