Definition of "PPC"

(UK politics) Initialism of prospective parliamentary candidate: a candidate selected for a future election before the election campaign has officially begun.  examples

(Internet) Initialism of pay-per-click.  examples

(economics) Initialism of production-possibility curve.  examples

(computing) Initialism of PowerPC.  examples

(Canada, politics) Initialism of People's Party of Canada.  examples