Stage doorway - an entrance to your backstage place of theater; employed by performers and various theater staff encroachment, intrusion, invasion - any entry into a place not previously occupied; "an invasion of visitors"; "an invasion of locusts" maintain - keep the attention of; "The soprano held the audience"; "This https://entrancemats25689.tinyblogging.com/little-known-facts-about-entrance-mats-81533724