backstage

adj

1. (not-comparable)Relating to, or situated in the area behind a stage.
2. (not-comparable)Secret, concealed from the public.

adv

1. Towards the area behind the stage.
2. Out of view of the public.

   “Backstage I'm lonely, backstage I cry / You've gone away and each night I seem to die a little”

noun

1. The area behind a stage out of view of the audience where performers wait to give their show; especially that of the dressing rooms.
2. The private portion of the space used by a business or enterprise.

   “Another broad issue regarding the physical setting involves decisions about the setting's frontstage and backstage.”