A list displayed by the ALV Grid Control shows three different texts for a column:
For fields with Data Dictionary reference, the system automatically adopts the field labels of the corresponding data element. The texts for the short, medium and long field labels as well as for the header are copied into the fields
SCRTEXT_S , SCRTEXT_M , SCRTEXT_L and REPTEXT of the field catalog.There are several possibilities how the ALV Grid Control assigns text to a column: