SYNONYMY NOTE: irritable implies quick excitability to annoyance or anger, usually resulting from emotional tension, restlessness, physical indisposition, etc.; , irascible, choleric are applied to persons who are hot-tempered and can be roused to a fit of anger at the slightest irritation; , splenetic suggests a peevish moroseness in one quick to ...
Quick Answer. A map direction symbol is called a compass rose, and a simple compass rose symbol may only depict the four cardinal directions of north, east, west and south. A compass rose has been used on charts, atlases and maps by navigators since the 14th century. A more detailed compass rose can show many other directions.
A compass needle aligns itself to the earth's magnetic field. The  direction of the earth's magnetic extends from the earth's  Magnetic South to its Magnetic North.he ends of a magnet or compass needle are named after the directions in which they point (or, more accurately, the direction of the field along which they align) and, originally, were referred to as their 'North-seeking' and 'South-seeking' poles.