1) Apron 2) Proscenium 3) Stage 1) Apron 2) Proscenium 
• (n.) A service paid by foresters to the king. • (n.) A duty or tribute payable to the king`s foresters.
The part of the stage 'in front' or closest to the viewing audience.
The area in front of the house curtain in a proscenium arch theatre. 
For'est·age noun [ Confer French forestage .] (O. Eng. Law) (a) A duty or tribute payable to the king's foresters. (b) A service paid by foresters to the king. 
Portion of the stage floor in front of the curtain line.
noun the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)
the part of a stage in front of the proscenium or the closed curtain, as the apron or an extension of the apron.