is an abstract CONCEPT...
Game of Thrones Season 1, Episode 6
It's proof of CONCEPT.
The Big Bang Theory Season 9, Episode 24
I find the CONCEPT of coitus ridiculous
The Big Bang Theory Season 6, Episode 20
You must have heard
of that CONCEPT, haven’t you, miss?
Money Heist Season 1, Episode 11
Do you understand
the CONCEPT of blackmail?
The Big Bang Theory Season 1, Episode 16