From Longman Dictionary of Contemporary Englishcentre on/upon something (also be centred on/upon something) phrasal verbABOUTif your attention centres on something or someone, or is centred on them, you pay more attention to them than anything else The debate centred on funding for health services. Much of their work is centred on local development projects. → centre→ See Verb table
Examples from the Corpus
centre on/upon • My interest - my fascinated, horrified interest - was centred on a great bench to one side of the room.• Other hopes have centred on ethanol taking the place of petroleum - but fuel crops must not displace food.• All of this suggests that while love is centred on feelings for another person, feelings for the self are never absent.• Any revolutionary aspirations of the younger members are centred on gaining work and admittance to the mainstream of ordinary life.• A baby's world is centred on herself.• Training was geared more to general fitness than particular skills, and centred on running and skipping to improve speed and stamina.• The most contentious debate had centred on the issue of religious education.• Boy-scout amateurishness, they claim, is on the way out; a professional command-and-control centre on the way in. 