Every field ID found in Mappings or Buildups file can be found here with the descriptions maintained in SAP.
<node id="0MATERIAL|ZDL_A19|ADSO"> <description language="E" text="Material (ADSO spec)" /> </node> <node id="BASE_UOM|ZPUROH01|DEST"> <description language="E" text="Base Unit of Measure" /> <description language="D" text="Basismengeneinheit" /> </node>