A representative democracy means: O every citizen votes on every issue
O one person has all the power
O religion dicatates all rules and laws.
O voters select a person to be there voice in government

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?