Meaning of CENTER ON

WordNet Dictionary
	Definition:		[v]  center upon; "Her entire attention centered on her children"; "Our day revolved around our work" [v]  have as a center; "The region centers on Charleston"
	Synonyms:		center, concentrate on, focus on, revolve about, revolve around
	See Also:		be, bear on, come to, concern, pertain, refer, relate, touch, touch on