If one thing is adjacent to another, it is next to it without necessarily making physical contact: The car park was adjacent to the sports hall. An adjoining object, however, has a common point of contact with another: The offices are to the left, with a canteen adjoining.
Black stands for the African people. White symbolizes peace. Black, red, and green, the ‘black liberation’ colours, denote Africa's rebirth. Red represents the blood common to all people. Green recalls the fertile land. Effective date: 12 December 1963.