Originally Posted by fatfoo

It's like saying there are 2 sides to the door. There is the inside of the door and there is also the outside of the door. Both sides have their benefits and drawbacks. You can even put a dialogue in the form of a Play. Example:

Play name: A Tale of Two Doors - 2 Scenes

Character list:
Fatfoo
loreen
U-bob
bossku69

Scene 1: The Private Room: Fatfoo and loreen

[Enter Fatfoo]

FATFOO: Hello loreen, it is sure great to be inside this room.
LOREEN: Yes. I like to call this my private room. I can decide who to let inside and who to keep out.
FATFOO: That's great. I will be back later.

[Exit Fatfoo]
[loreen rubs one leg on another]

Scene 2: The Lobby: Fatfoo, U-bob, bossku69

[Enter Fatfoo]

FATFOO: Hello, everyone. I do say, this is a great lobby.
U-BOB: I agree. My friend bossku69 is coming soon.

[Enter bossku69]

BOSSKU69: Hello Fatfoo and U-bob. I like this room. We can have a conversation between three people. We can even invite more people to all talk together.

FATFOO: I agree.
U-BOB: I agree.