Component

Component may refer to:

Generic systems

 * System components, an entity with discrete structure, such as an assembly or software module, within a system considered at a particular level of analysis
 * Lumped element model, a model of spatially distributed systems

Electrical

 * Component video, a type of analog video information that is transmitted or stored as two or more separate signals
 * Electronic component, a constituent of an electronic circuit
 * Symmetrical components, in electrical engineering, analysis of unbalanced three-phase power systems

Mathematics

 * Color model, a way of describing how colors can be represented, typically as multiple values or color components
 * Component (group theory), a quasi-simple subnormal sub-group
 * Connected component (graph theory), a maximal connected subgraph
 * Connected component (topology), a maximal connected subspace of a topological space
 * Vector component, result of the decomposition of a vector into various directions

Science

 * Component (thermodynamics), a chemically independent constituent of a phase of a system

Software

 * Component (UML), definition of component in the Unified Modeling Language
 * Component-based software engineering, a field within software engineering dealing with reusable software elements
 * Software component, a reusable software element

Other uses

 * Component (VTA), a light-rail station in San Jose, California
 * Part of the grammatical structure of a sentence, a concept relating to the catena
 * Component ingredient, in a culinary dish