Definition & Meaning of "go a long way"in English

What is the origin of the idiom "go a long way" and when to use it?

The idiom "to go a long way" originated from the literal idea of traveling a considerable distance. However, in its idiomatic usage, it means to have a significant impact, produce favorable results, or contribute significantly to achieving a goal. It emphasizes the idea that even a small effort or action can lead to substantial progress or success.