concept

noun

• noun: concept; plural noun: concepts1. an abstract idea.
  “structuralism is a difficult concept”
  synonyms: idea, notion, conception, abstraction, conceptualization;
  2. a plan or intention.
  “the centre has kept firmly to its original concept”
  3. an idea or invention to help sell or publicize a commodity.
  “a new concept in corporate hospitality”
  3. PHILOSOPHY
  an idea or mental image which corresponds to some distinct entity or class of entities, or to its essential features, or determines the application of a term (especially a predicate), and thus plays a part in the use of reason or language.

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