16. A computer system according to claim 9, wherein said host processor further executes said editing program to store contents of a structure of the selected application program, the logical relation between application programs and the interface definition of the selected application program into a repository such that the contents to be edited are fetched from said repository.
16. A computer system according to claim 9, wherein said host processor further executes said editing program to store contents of a structure of the selected application program, the logical relation between application programs and the interface definition of the selected application program into a repository such that the contents to be edited are fetched from said repository. 17. A computer system according to claim 16, wherein said repository corresponds to a centralized database on the network for storing and managing interface definition information and data items.