Customize Lead Drop-down menus

Customize Lead Drop-down menus

Just started with ZOHO and am in the process of aligning the system with our process.  

Is there a way to customize the options in the following drop-down menus for leads?
  • Lead Source
  • Industry
  • Lead Status
  • Rating
My question would be the same for the Potential area but I thought giving this concrete example would be easier to answer.

Thanks,
Scott