1. A computer program product tangibly embodied in a computer-readable storage medium and comprising instructions that when executed by a processor perform a method for managing customizing settings for an application program, the method comprising: presenting, in a computer system, a plurality of business process types to a user, each of the business process types being configured for execution in the computer system to perform a predefined business operation and comprising a plurality of business document types; receiving a first user input selecting a set of business process types from the presented plurality of business process types, the first user input triggering a first level of modification, for each selected business process type, of settings in a customizing table accessed by the application program that are grouped for the selected business process type; presenting, in response to the first selection, the plurality of business document types associated with the selected business process type; receiving a second user input selecting a set of business document types from the presented plurality of business document types, the second user input triggering a second level of modification, for each selected business document type, of settings in the customizing table that are grouped for the selected business document type; and launching the application program in the computer system and in response to the first and second inputs, wherein the first and second corresponding features are activated and available during operation of the application program, and wherein other features not associated with at least one of the selected set of business process types and the selected set of business documents are not activated and are not available during the operation.
6. The computer program product of claim 1 , wherein the set of business document types includes a single business document type.