The system uses this Hierarchy when looking for the Search Help :
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(Click on picture to read documentation at help.sap.com)
But (Image may be NSFW.
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) this field is not a database field, it is the concatenation of values available in customizing table, look at MODULE help_lfb1-zwels of include MF02KI00 which call dynpro 1215 of SAPMF02K to map the fields to an internal table.
Regards,
Raymond
