0 short for public address system, electronic equipment that makes music or someone’s voice loud enough to be heard by large groups of people in a public place -- personlig assistent
An announcement was made to the crowd over the PA.
1 short for personal assistant, someone whose job is to help a manager by writing letters and making arrangements -- PA
His PA deals with all the correspondence that comes into the office.
2 short for per annum (from Latin), used to mean ’each year’ -- pr. år
She earns 35,000 p.a.