Select the word from the list that best fits the definition explains symbols used on a map a.)caption b.)legend/key c.)scale

The answer that is most logical would be answer choice B. This is because a caption is simply a reference, which would be wrong. Also, a scale is basically a measurement, which is also wrong. Answer choice B gives symbols, refferencing points or symbols on a map. Therefore, the most logical answer choice is in fact, B.

Igot the answer, here you go dude. 

Answerboth technicians a and b are correct;