Verb center on has 2 senses
  1. focus on, center on, revolve around, revolve about, concentrate on, center - center upon; "Her entire attention centered on her children"; "Our day revolved around our work"
    --1 is one way to refer, pertain, relate, concern, come to, bear on, touch, touch on
    Sample sentences:
    Something ----s somebody
    Something ----s something
  2. center on - have as a center; "The region centers on Charleston"
    --2 is one way to
    be
    Sample sentence:
    Something ----s something
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