DIACL_NODE_DS 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 "Append for logbook navigation tree fields" 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_DIACL_NODE_DS TYPE DIACL_NODE_DS.
The DIACL_NODE_DS table consists of various fields, each holding specific information or linking keys about Append for logbook navigation tree fields data available in SAP. These include STTXT (System status line), ASTXT (Field displaying user status), POINT (Measuring Point), STATUS (Status)... 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. .