Component

Component could mean:

Electronic component, part of electronic circuits
Component ingredient, the main ingredient in a food
Component video, a type of analog video information that is sent or stored as two or more separate signals
Symmetrical component, in electrical engineering, analysis of unbalanced three-phase power systems
Component-based software engineering, a field of study within software engineering dealing with software components, reusable software elements with a specification
Component (thermodynamics), a chemically distinct part of a phase of a system
Component (VTA), a light-rail station in San Jose, California
Lumped component, a model of spatially distributed systems