An understanding retained in the mind, from experience, reasoning and/or imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept). (noun)
In generic programming, a description of supported operations on a type, including their syntax and semantics. (noun)
Examples of word concept
On a related note, a couple weeks ago at the shop I was discussing the fact that, when the Earth Prime Superboy was introduced during the original Crisis on Infinite Earths crossover shenanigans, the only purpose he really served was 1) to represent the concept of Earth Prime i.e. "our" Earth), and 2) to act as a symbolic "goodbye" to the Superboy concept* at the end of the series.
Movies live or die now by whether a certain concept is tracking well for opening weekend.
The other paintings, while excellent, don't encapsulate the title concept as effectively as that little sleeping dino - in my 'umble opinion.
As for the remaining four songs, 'Wrapped Around Your Finger' and 'Tea In The Sahara' are doomy ciphers, the former possibly about marriage, the latter open to a handful of interpretations, none of them exactly upbeat, while 'Synchronicity I' is a trifle explaining the title concept and the monster hit 'Every Breath You Take', is ostensibly a trite love song with it's icy and obsessive core just barely concealed.
The main concept is that of an international solidarity expressed in practice through worldwide division of labor: free trade is the principal point in the program of internationalism.