What does the phrase "enter (then you say your name) mean" ?

Question

I heard it on TV show a F.R.I.E.N.D.S a few times.

'Enter Amy' && 'Enter Phoebe'

what exactly does it mean?

Answer 1

It is a written instruction used in plays. Never spoken. It is a directors tool to ensure that the next character "enters" at the right time and place. (door etc.)

Peace.

Answer 2

It is another way of welcoming someone into your home.  Most common way is to simply tell someone to come on in.  

Answer 3

This is slang that is commonly used in USA to greet someone.

Answer 4

It's another way of telling someone to 'enter' into their homes or something. Greeting, and telling them to come in

EDIT=====

It's Friends,btw not F.R.I.E.N.D.S. The dots are only the decorations in the opening theme