Lot more interesting detail can be read here. Also know, how do I get detailed billing from AT&T?
Learn how to get detailed billing added to your paper bill for a monthly fee. This allows you to view wireless usage details on your bill.
Get usage details on a paper bill
Similarly, what does ATT mean? All The Time
what does mobile data on my AT&T bill mean?
The mobile data that you are seeing is just regular data usage. The text and data usage are combined in both categories. A number will show up in the usage details for both text and MMS messages. For further information regarding usage, check out our AT&T Support Article Track wireless talk, text and data usage.
What does Pvwifi mean?
This is just a wild guess but the PV in PVWIFI might stand for "packet voice" or "packet-switched voice" or something like that.
