Relative location is sufficient Coordinate information is needed Riya, a freshman, has just arrived at her new college campus. She uses the campus map to locate her dorm Casey, a pilot, is flying from St$.$ Louis MO to Dayton, OH; his on$-$board navigation system calculates his route for him Sydney is meeting her friends at the local library to study. She has never been there before $,$ but she is familiar with the surrounding landscape Dominic has a job delivering pizzas in his town, which he knows wellHe is making a delivery to a new housing development across from the swim club John, a Boy Scout troop leader is leading his troop on an overnight backpacking trip to a remote campsite in the backwoods Sarah, an entomologist $,$ is making a map that plots the swarming and migration patterns of locusts