A module is a combination of multiple PowerShell functionalities like scripts, cmdlets that are built to solve a common purpose. For example, to work with the users and licensing, we have to use the Module MSOnline provided by the Microsoft. You can find more information about the Windows PowerShell module here https://msdn.microsoft.com/en-us/library/dd878324(v=vs.85).aspx.

To find out the members of a cmdlet, we can pipe the Get-Member cmdlet with another cmdlet:

Get-Service | Get-Member

The following screenshot shows the output for the preceding command: