too confusing....
PC can mean:
Patrol Craft [ship type]
Peace (in) Christ
Peace Corps
PerCent; PerCentage
Personal Computer [Apple and IBM want you to believe a specific kind]
Photo Copy [being sent to individual or organization name that follows]
Player Character [see NPC]
Police Constable
Politically Correct
PolyCarbonate [A plastic material]
Post Card
Post Cibum [Lat: after meals]
President's Choice [a popular brand name in Canada]
Primary Center
Printed Circuit
Privileged Character
Privy Council
Production Control
Program Counter
Progressive Conservative party [Canada]
Publications Committee
while PR can mean:
PayRoll
Problem Report
Public Relations
Puerto Rico