BBPS_TREE_UI 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 "Tree Structure for UI" 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_BBPS_TREE_UI TYPE BBPS_TREE_UI.
The BBPS_TREE_UI table consists of various fields, each holding specific information or linking keys about Tree Structure for UI data available in SAP. These include PARENT (Globally Unique identifier), DESCRIPTION (Short Text), STUFE (3-Byte field), BLATT (Checkbox)... 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. .