â¢ IDEA (noun). The noun IDEA has 5 senses: 1. the content of cognition; the main thing you are thinking about. 2. a personal view. 3. an approximate calculation of quantity or degree or worth. 4. your intention; what you intend to do. 5. (music) melodic subject of a musical composition. Familiarity information: IDEA used as a noun is common.
The two points on the earth's surface where the axis emerges are called the 'NORTH POLE' and the 'SOUTH POLE.' Any line pointing along the Earth's surface towards the North Pole is said to be pointing 'north.' Any line pointing along the Earth's surface towards the South Pole is said to be pointing 'south.' 'East' is at right angles to north in a ...
So east has a bearingA bearing is the direction (as an angle measured clockwise from north) that a point lies from a given location. It is usually given as a three-figure bearing, e.g. 087Â°.bearing of 090Â°, south has a bearing of 180Â°, and west has a bearing of 270Â°.Look at the radar screen below.alfway between north and north-east we have north-north-east, for example. When we look at a compass with all these directions marked, it may seem that we have enough points to direct, say, a ship accurately. But there are many occasions when we need to refer much more accurately to the direction between two points.