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 ...
North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. North is a noun, adjective, or adverb indicating direction or geography. It is one of the four compass points or cardinal directions. It is the opposite of  south and is perpendicular to east and west.  It is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west.