Proscenium and Vanguard

Proscenium noun - The part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain).

Vanguard and proscenium are semantically related. in forward topic. In some cases you can use "Vanguard" instead a noun "Proscenium".

Vanguard noun - The innovators of new concepts, styles, and techniques especially in the arts.

Proscenium and vanguard are semantically related. Sometimes you can use "Proscenium" instead a noun "Vanguard".