Rack , Shelf and bin in location defintion

Dear all:

Can any one give me example about rack , shelf and bin?? also , can we view the on-hand for the rack or shelf or bin or it is just information only on the location definition??

Thanks a lot

Please look at an earlier post of mine, the simple floor plan is self explanatory and should help you

http://dynamicsuser.net/forums/t/51551.aspx