What is the meaning of Backstage?

Relating to, or situated in the area behind a stage.

Secret, concealed from the public.

Towards the area behind the stage.

Out of view of the public.

The area behind a stage out of view of the audience where performers wait to give their show; especially that of the dressing rooms.

The private portion of the space used by a business or enterprise.

backstage (area behind a stage out of view of the audience where performers wait to give their show)

backstage

backstage

Source: wiktionary.org