ALM_ME_CUSTOM_CLASS 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 "Customer enhacment structure for classification" 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_ALM_ME_CUSTOM_CLASS TYPE ALM_ME_CUSTOM_CLASS.
The ALM_ME_CUSTOM_CLASS table consists of various fields, each holding specific information or linking keys about Customer enhacment structure for classification data available in SAP. These include CHAR_EXT_NAME (Characteristic Name)... 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. .