If you are an M3 user, you can use the help text in M3 MMS080 for the description of order category codes.

 

If you are not an M3 user, it may be so that you only have this information as a code in a report. Therefore, below information.

 

 

Help text on Order Category:

 

 

Program MMS080 = M3 table MITPLO

 

Order category code = field MOORCA