A Map is commonly refered to as a drawing. It shows the direct part of the earth surface from above. There are different types of map. There is the Physcial map that simply shows an individual the landforms and bodies of water in specific areas, Political Map which highlights varous features humans have created such as the boundaries between states, provinces e. t. c. Map helps us to find the shortest route between two places without getting lost.
Cartographers in their designs uses visual hierarchy to highlight( makes bigger) the more important parts of a map and the the ones with little/tiny importance are marked by creating a layering of information that is smaller for them.
it's most likely that car manufactures want to make sure drivers know that they have crossed a line, and then there will be less acidents. but car companies don't want to actually want to spend the time to stop drowsey driving so they just try to make it safer.
