Possible Integrations of EWM with other modules

Hi All,

       Can anyone explain the possible integration of EWM with other SAP Modules & the purpose of integration.here are the one's that i know

1. EWM with ECC

     a) Integration with PP

     b) Integration with QM

     c) Integration with Batch Management

2.EWM with GTS , Can any one explain purpose ?

3 EWM with TM ( TM Plans & EWM Exexutes ex : transit warehousing )

4 EWM with EM ?

5 EWM with CRM ?

                             are there any other integrations are exist , can any one explain ?