Question

Who does efficient mean?

Answer 1

I think you mean what does efficient mean? Anyways if you meant that here’s the answer

adjective. performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.

Answer 2

Answer:

To do something with little to no energy while saving the use of another resource

Explanation:

Hope this helps!!