Calculator results explanation

[Brad E.]

Hi, I am a total newb here but have been to a couple webinars and recently tried the rental property analysis calc.  When I get the results I end up with a bunch of numbers that I am not sure what exactly they mean - e.g. 'gross rent multiplier' or 'pro forma cap rate'.

So I was wondering if there is a guide here on the BP site that goes in to more detail on what some of these numbers mean in the context of rental properties?  I did a site search but didn't find anything meaningful.  

Hopefully I have posted this in the correct forum.  This site is huge!  Thanks in advance.