Stage door - an entrance to the backstage area of theater; employed by performers and various theater staff encroachment, intrusion, invasion - any entry into a location not previously occupied; "an invasion of holidaymakers"; "an invasion of locusts" keep - hold the eye of; "The soprano held the viewers"; "This https://entrance-mats35678.blogrelation.com/44235963/the-2-minute-rule-for-entrance-mats