These statements can share information with sources outside the interview.

Phone statements interact with the phone system to get a phone number to call, display a phone call status screen, and get other information from the phone system (see THE PHONE STATEMENT for more information).
Quota statements increment quotas in the QUO file.
Special Information statements get information from the operating system, the quota file, or the scratch areas, and do some other special functions.
System statements let you temporarily leave Survent to talk to the outside world as well as some other special functions.