component
noun [ C ]
uk/kəmˈpəʊnənt/ us PRODUCTION
a part that combines with other parts to make a machine or piece of equipment:
automobile/computer, etc. component The company is a leading manufacturer of automobile components.
a particular feature or part of something:
essential/key/major, etc. component The major components of the transport system include the road network, railway system, air transport services, and ports and shipping services.