Phase door - an entrance towards the backstage region of theater; used by performers and other theater staff encroachment, intrusion, invasion - any entry into a location not Beforehand occupied; "an invasion of vacationers"; "an invasion of locusts" hold - keep the attention of; "The soprano held the viewers"; "This https://entrance-mats01233.blog4youth.com/38455058/what-does-entrance-mats-mean