to play a leading role; to play a central part
central part; heart (of a city)
to play a central role; to take a leading part
center; centre; metropolis
leader; central personage
high street; town centre (center)
self-centered; stuck on oneself
selfishness; egotism; egoism; egocentricity
centre line; center line; central line
core (of planets, stars, galaxies, etc.); nucleus (of comets, galaxies, etc.)
central city; major city (in a region)
city centre (center); inner city; town centre
policy of alignment with the United Nations; UN-centrism