The term CAT SCRATCH SOURCES can be broken down into two words: CAT SCRATCH and SOURCES. The first word, CAT SCRATCH, is a 5-letter word that can be solved by the answer CLAWS. CLAWS are the sharp, curved nails on the feet of cats that they use to SCRATCH and climb. The second word, SOURCES, refers to the places where cats can SCRATCH, such as furniture, carpets, and scratching posts. Therefore, the term CAT SCRATCH SOURCES can be summarized as the CLAWS of cats and the places they use them to SCRATCH.