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 ...
A compass always points north. Bearings are measured from the north line, always in a clockwise direction. So when someone tells you to walk on a bearing of 120Â°, you should face north, turn clockwise through 120Â° and start walking. compass always points north. Bearings are measured from the north line, always in a clockwise direction. So when someone tells you to walk on a bearing of 120Â°, you should face north, turn clockwise through 120Â° and start walking.