The term 'FAT CATS BUNDLES' can be broken down into four crossword solutions: WADS (4 letters), FAT (3 letters), CATS (4 letters), and BUNDLES (7 letters). WADS stands for 'wealthy and powerful people', FAT is an acronym for 'Financial Assets Test', CATS is an abbreviation for 'Computerized Adaptive Testing System', and BUNDLES refers to a collection of items that are sold together. In summary, the term 'FAT CATS BUNDLES' is used to describe a collection of items related to wealthy and powerful people, such as a Financial Assets Test and a Computerized Adaptive Testing System.