What does FUP mean?

Sorry for the type of questions I maybe asking, but the only reason for this is because of the lack of knowledge I have in regards to the internet world. Like mentioned in previous thread about fiber optic internet, I am looking for a new connection, some of the plans I have seen mention FUP. Please let me know what FUP means and how this will matter when choosing a tariff plan. Thank you.

The full form of FUP is fair usgae policy and it means when a connection is mentioned as being unlimited it is generally with an FUP limit, so what ever speed is given is until the FUP data limit and beyond that the speed is decreased.
For those getting a connection with FUP it is always vital to check what the FUP limit is, which is why you should always know what the limit is and the speed after FUP.