To ensure that expatriates do not lose out through their overseas assignment, the approach is often used to equalize the standard of living between the host country and the home country and to add some compensation for inconvenience or qualitative loss. income statement balance sheet cafeteria revenue generation

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?