C005 is a standard SAP Table which is used to store Acct Key data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The C005 table consists of various fields, each holding specific information or linking keys about Acct Key data available in SAP. These include KAPPL (Application), KSCHL (Condition type for account determination), KTOPL (Chart of Accounts), VKORG (Sales Organization)... 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. .