My Travel and Expenses Fiori App : clarifications required

Hi Team,

We are configuring 'My Travel and Expenses App' in our landscape( HUB deployment ).

Reference Link : http://help.sap.com/fiori_bs2013/helpdata/en/c1/b94453e415e447e10000000a441470/content.htm

Can any one brief the highlightened lines in the attached document in more detailed as we never come acrossed "claim categories" in our existing functionality.

Please see attached document. Thanks in advance.

Regards,

Vijay