P to P can mean one of two things: 1. Peer to peer allows internet users to transfer files directly, rather than through the use of a website or directory. File transfers are done directly from the users' computers. 2. An abbreviation of "path to profitability". This refers to the roadmap a startup company follows in order to propel its operations from its current state of losing money to becoming profitable. |||A perfect example of peer to peer is the internet file swap sites that allow users to transfer audio, video and other types of files for free.