Blackberry Bundles Help

Im with orange and these are my bundles. Anyone care to explain them to me please?
Your current bundles are shown below :

Chargeable Umltd Ev & Wk OW
OW Daily Capped Usage
3G USIM provisioned
Free Premier Service
BlackBerry Internet

I assure I am not being flippant, but would it not be better to
ask these questions of your carrier. They are after all the ones
charging you for them.

Blackberry Internet, also known as a dataplan, gives you push
email, BlackBerry Messenger, Internet access, Full GPS, etc...