What does CENTER mean?

noun

1. an area that is approximately central within some larger region“it is in the center of town”
2. the piece of ground in the outfield directly ahead of the catcher“he hit the ball to deep center”
3. a building dedicated to a particular activity“they were raising money to build a new center for research”
4. a point equidistant from the ends of a line or the extremities of a figure
5. the choicest or most essential or most vital part of some idea or experience“the gist of the prosecutor's argument”
6. the object upon which interest and attention focuses“his stories made him the center of the party”
7. a cluster of nerve cells governing a specific bodily process“in most people the speech center is in the left hemisphere”
8. the middle of a military or naval formation“they had to reinforce the center”