From one place to another and back again.
Negotiations or discussions between two or more parties, a dialog.
The movement (of someone or something) forward followed by a return to the same position. May refer to a concept such as an emotional state or a relationship as well as a physical thing.
Going from one place or position to another and back again.
From one place (or person, or task) to another; from post to pillar, hither and thither.