component in WordNet English dictionary

1. an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
   "spare components for cars"; "a component or constituent element of a system"
   component  constituent  element 
   
2. an abstract part of something
   "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech"
   component  constituent  element  factor  ingredient 
   
3. something determined in relation to something that includes it
   "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"
   part  portion  component part  component  constituent