The crossword solutions for the term 'STAY ON THE LINE' are 'HOLD' and 'TOE'. The phrase 'stay on the line' is often used to mean that someone should remain in a certain place or position, and not move away from it. The two words 'HOLD' and 'TOE' can be used to describe this action, as they both refer to keeping something in a certain place. 'HOLD' can be used to describe the action of keeping something in one's grasp, while 'TOE' can be used to describe the action of keeping one's feet in a certain place.