Points allow you to 'purchase' items within certain games. To use in game points, you must own the full game. For example, when you use Uncharted Points in game, you can get instant access to extra online multiplayer items and bundles.
You can buy points from within a game or from PlayStation Store and you sometimes receive points with some versions of games.
If you have bought the disc version of a game you may need to redeem a code to get your points.
If you are having trouble finding your points, go to [Settings] > [PlayStation Network] > [Account Information] > [Services List] to check they have been applied to your account. Your points are shown under the main game title and titles are listed alphabetically.
If your points aren't shown in [Services List], try these steps: