Possible delivery is used to describe a household or business address (including apartments and suites) to which mail might be delivered by city carriers. 
All of the addresses that a mail carrier may deliver to is called "possible delivery"
There is no name for al lthe addresses that may be delivered to.
The group dressed in red are playing musical instruments.
The program gives legal advice to a lot of people.
Swerving had no effect at all and the ride remained very smooth.
People are playing music.
The Old Towns of Warsaw and Gdansk were reconstructed after World War II with Soviet aid.
Don't use them.