Concepts according to the Oxford English Dictionary
OED:
- Originally in Philosophy: a general idea or notion, a universal; a mental representation of the essential or typical properties of something, considered without regard to the peculiar properties of any specific instance or example. Later often (frequently with of): the meaning that is realized by a word or expression.
- An idea underlying or governing the design or content of a product, work of art, entertainment,
- Disposition, frame of mind.