Here we would like to draw your attention to WE51 transaction code in SAP. As we know it is being used in the SAP BC-MID (Middleware in Basis) component which is coming under BC module (BASIS).WE51 is a transaction code used for System process codes: Change texts in SAP.
It comes under the package SED.
Transaction WE51 technical data table
|Purpose||System process codes: Change texts|