BAPI_WBS_ELEMENT 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 "BAPI Structure WBS Elements incl. some Date Fields PRTE" 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_BAPI_WBS_ELEMENT TYPE BAPI_WBS_ELEMENT.
The BAPI_WBS_ELEMENT table consists of various fields, each holding specific information or linking keys about BAPI Structure WBS Elements incl. some Date Fields PRTE data available in SAP. These include PROJECT_DEFINITION (Project Definition), DESCRIPTION (PS: Short description (1st text line)), SHORT_ID (WBS element short identification), RESPONSIBLE_NO (Number of the responsible person (project manager))... 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. .