Synonyms: revolve about, revolve around, concentrate on, focus on, center, center on
Definition: center upon
Usage: Her entire attention centered on her children; Our day revolved around our work
Similar words: concern, bear on, come to, refer, relate, touch, touch on, have-to doe with, pertain
Definition: be relevant to
Usage: There were lots of questions referring to her talk; My remark pertained to your earlier comments
Synonyms: center on
Definition: have as a center
Usage: The region centers on Charleston
Similar words: be
Definition: occupy a certain position or area; be somewhere
Usage: Where is my umbrella? The toolshed is in the back; What is behind this behavior?