1.a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
2.serving as an essential component;
a cardinal rule
3.in or near a center or constituting a center; the inner area;
a central position
4.used in the description of a place that in the middle of another place;
the people of Central and Northern Europe
5.centrally located and easy to reach;
the central city has good bus service