Terminology

2225 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 areas2225 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 Architecture74 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 Architecture69 Streaming & Real-Time Data69 Data Governance & Semantics74 Frontend & Experience Architecture66 Edge, Mobile & IoT68 Regulatory & Data Protection Architecture65 Assurance, Audit & Model Risk69

Kind Any concept801 practice736 pattern377 metric127 case-study77 tool62 protocol45

5 terms shown.

Term	Kind	Topic	What it is
Glossary Term Half-Life Definition Decay Rate, Term Attestation Age	metric	Business Glossary	The time after which half a glossary's definitions no longer match the SQL that implements them, measured by sampling rather than assumed, and used to set the review budget a glossary can actually afford.
Lineage Coverage Harvest Coverage, Lineage Completeness Ratio	metric	Data Catalog	The share of known data assets whose upstream and downstream edges were successfully derived on the latest harvest, which is the only signal that separates an asset with no dependencies from one the parser cou…
Match Confidence Band Match Threshold Band, Review Band	metric	Master Data Management	The score range between automatic merge and automatic reject in record matching, which is where a consolidation programme's permanent staffing cost lives and where its worst errors are prevented.
Quality Dimension Threshold	metric	Data Quality Dimensions	The stated numeric level at which a dataset is fit for its purpose on a given quality dimension, plus what happens when it is not met.
Zero-Audience Report Unopened Report, Report Audience Count	metric	BI Governance	A published dashboard with no viewer in a defined window, which is the only decommissioning candidate that can be retired without an argument - and the cheapest available measure of BI sprawl.