In coordinate geometry, the y coordinate of a point; that is, the vertical distance of the point from the horizontal or x-axis. For example, a point with the coordinates (3,4) has an ordinate of 4. See abscissa.
Green represents agriculture. Red recalls the struggle for independence. Black stands for the Zambian people. Orange symbolizes Zambia's mineral wealth, particularly the major deposits of copper. Effective date: 24 October 1964.