If you type
get-help get-process -full
You will get an explanation of these terms. Here it is:
The default display of a process is a
table that includes the following
-- Handles: The number of handles that the process has opened.
-- NPM(K): The amount of non-paged memory that the process is using, in
-- PM(K): The amount of pageable memory that the process is using, in
-- WS(K): The size of the working set of the process, in kilobytes. The
working set consists of the pages of
me mory that were recently referenced
by the process.
-- VM(M): The amount of virtual memory that the process is using, in
megabytes. Virtual memory includes
storage in the paging files on disk.
-- CPU(s): The amount of processor time that the process has used on all
processors, in seconds.
-- ID: The process ID (PID) of the process.
-- ProcessName: The name of the process.