COMM_APPLCATGRPR is a standard SAP Table which is used to store Application Area of a Hierarchy data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The COMM_APPLCATGRPR table consists of various fields, each holding specific information or linking keys about Application Area of a Hierarchy data available in SAP. These include APPLICATION (Application to Which the Category Hierarchy Is Assigned), HIERARCHY (Category Hierarchy Used)... 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. .