COMT_TEXT_SCREEN_DYN 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 Maintenance: User Interface" 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_TEXT_SCREEN_DYN TYPE COMT_TEXT_SCREEN_DYN.
The COMT_TEXT_SCREEN_DYN table consists of various fields, each holding specific information or linking keys about Text Maintenance: User Interface data available in SAP. These include TDSPRAS (Language key)... 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. .