Explore Map display unallocated space is it really unallocated?

Document ID : KB000111771
Last Modified Date : 21/08/2018
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When using the Explore MAP panel; to display GETVIS allocation there is a label that shows UNALLOCATED. Is this UNALLOCATED label referring to total unallocated space or just for this partition?
The UNALLOCATED label can refer to any UNALLOCAED space within any partition that any address begins and ends at.
For example:
S in the first column  is a shared storage area so this would be in the GETVIS area for all space allocations. The line below shows a SHARED GETVIS area that is unallocated of 832K

Space  Virtual--------                Total          Pfix                  Area       
  Id       Begin         End          V-Size  Limit--Used      Description
_S 006300000 006FFFFF     832K     0K      0K        UNALLOCATED
You can update the PSIZE or GETVIS values in the IPL to utilize this space. 
To access the MAP display:
Partition Status                           
 _ Partition Activity   _ Graphic Overview
 _ Storage Allocations  _ Job Accounting   ---->  shows the MAP