Component
# Component

Component may refer to:

## In engineering, science, and technology

### 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 components, the constituents of electronic circuits
* 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

### 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 with a specification, used in component-based software engineering

### Other sciences

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

## 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
