Read the dictionary definition of central. All definitions for this word.
1. a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
2. in or near a center or constituting a center; the inner area
1. a central position
3. serving as an essential component
1. a cardinal rule
2. the central cause of the problem
3. an example that was fundamental to the argument
4. computers are fundamental to modern industrial structure