COMT_CODELINE is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Text Line Character 72" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_COMT_CODELINE TYPE COMT_CODELINE.
The COMT_CODELINE table consists of various fields, each holding specific information or linking keys about Text Line Character 72 data available in SAP. These include LINE (Code Line)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .