To go back and forth means to move repeatedly between two or more places, directions, or opinions in a continuous manner. This idiom is used to describe a repeated exchange or movement that occurs repeatedly, often between two opposites or conflicting states. It implies a continuous oscillation or shifting between two positions, actions, or viewpoints.
In a physical sense, "go back and forth" refers to moving regularly and repeatedly in opposite directions, typically in a straight line from one specific point to another. For instance, a pendulum swings back and forth, or a shuttle travels back and forth on a shuttlecock during a game of badminton.
Metaphorically, "go back and forth" is used to describe a transition or alternation between two contrasting or contradictory states of mind, opinions, decisions, or actions. It implies a continuous vacillation, where a person or group switches frequently and indecisively between different views, options, or beliefs.
This idiom can also be used to depict an exchange of ideas, messages, or communication between two or more individuals in a conversational exchange, correspondence, or argument. In this context, it signifies a continual exchange of thoughts, opinions, or information from one person to another.
Overall, "go back and forth" captures the essence of continuous movement, alternation, or exchange between different places, directions, opinions, or actions, whether in a physical sense or metaphorical sense.
