(1) The main catalogue containing all products, SKUs, descriptions, and standard pricing for each product. See also online catalog, sales catalog.
(2) A key-sequenced data set (KSDS) or file with an index containing extensive data set and volume information that the Virtual Storage Access Method (VSAM) requires to locate data sets or files, allocate and deallocate storage space, verify the authorization of a programme or operator to gain access to a data set or file, and accumulate usage statistics for data sets or files.