
is an abstract CONCEPT...
Game of Thrones Season 1, Episode 6

Do you understand
the CONCEPT of blackmail?
The Big Bang Theory Season 1, Episode 16

There's an economic CONCEPT
known as a "positional good"...
The Big Bang Theory Season 3, Episode 15

You must have heard
of that CONCEPT, haven’t you, miss?
Money Heist Season 1, Episode 11

I didn't really understand
the CONCEPT of death, the finality of it.
Game of Thrones Season 2, Episode 9