THSTT is a standard SAP Table which is used to store Hierarchy Levels: Texts data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The THSTT table consists of various fields, each holding specific information or linking keys about Hierarchy Levels: Texts data available in SAP. These include SPRAS (Language Key), HZUOR (Assignment to Hierarchy), VTEXT (Description)... 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. .