The term 'TEND TO THE FLAMES' can be summarized by the crossword solution 'STOKE, ' which means to add fuel to a fire in order to keep it burning. This is often done by adding more wood or coal to the fire, or by blowing on the embers to increase the oxygen supply. The phrase 'tend to the flames' is often used metaphorically to refer to taking care of something important, such as a relationship or a career.