Hi Andrea Smith,
LS06 is SAP WM T-Code to Block or Unblock Several Storage Bins Simultaneously.
For better understanding the Stock Placement and Stock Removal you may read the IMG of SAP WM.
https://help.sap.com/saphelp_470/helpdata/en/c6/f844694afa11d182b90000e829fbfe/content.htm
Regards,
Ramesh N