from the context of your post, I think you refer to "Player versus Player" with the term PvP. Usually it is read as "Protoss versus Protoss" in the Starcraft community, though.
Now that you are here, why not check out the archives and watch some of day9's shows, particularly the newbie tuesdays?
Also, in the bronze league, the best thing you can do is to learn how to macro well. If you have more stuff than your opponent, you will win the game. Therefore, it is important not to get supply blocked, not to queue up units within construction buildings and to always build workers. For zerg it is important to always inject without delay.
All the best,