C is for compass. A compass is a convenient contraption to keep a person on track.
Comprehending the coordinates is a chore for a child, but not so complicated for an adult.
A GPS has a built-in compass, but batteries can conk out, or electronics can crash.
A cairn could conduct a canny boy scout under clear conditions, but in inclement weather, when landmarks are disguised by dense clouds, compass coordinates can set the course.
A simple compass and map consign comfort and direction to any lost traveler.
Certainly, no kid's knapsack is complete without a compass.
Happy birthday to Eric, once a cute cub scout and now a cool compass, computer code, and mountain climbing guru.