Question

A great literary or artistic work is known as

Answer 1

I think artwork is known as the work of great artistic.

Answer 2

Magnum means big (or great). (Hence a magnifying glass makes things appear big.) Opus means work. (When you operate something, a computer for example, you make it work.) Combining the two, we get magnum opus great work. But it is used only in the sense of a great literary or artistic work.
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