A compass is a navigational instrument that identifies the cardinal points—North, East, South, and West, including intermediate directions. The most reliable and best compasses work by using the ...

Your iPhone's compass is a feature you may not know about, but it can save your life. However, you'll need to calibrate it before tis first use.

The four main points on a compass are: north, east, south and west. A compass is used to work out direction. A four-point compass can give a rough direction whereas a sixteen-point compass is much ...