SAP IDES (Internet Demonstration and evaluation system) is a SAP demo system which has all the relevant organizational data like plant, company code, sales organization etc. setup and relevant required master data like customers, vendors, inbuilt that you would see in an actual SAP production system.
Understand the difference between SAP WM and SAP EWM.
SAP EWM transaction codes, SAP EWM Tcodes.
SAP EWM Transactions codes / Tcodes
SAP EWM Tcodes, SAP EWM Transaction codes
SAP EWM Tcode or SAP Extended Warehouse Management Tcodes