The term 'Salon Job, Informally' can be broken down into three crossword solutions: EDIT (4 letters), PERM (4 letters), and MANI (4 letters). EDIT stands for 'EDITING, ' which is the process of cutting and styling hair. PERM stands for 'PERMANENT, ' which is a chemical treatment that changes the structure of the hair to create curls or waves. MANI stands for 'manicure, ' which is a beauty treatment for the hands and nails. All three of these services are commonly offered in salons.