focal point vs centring

focal point and centring both are nouns.

Word	Noun	Adjective	Verb	Adverb
focal point	Yes	No	No	No
centring	Yes	No	No	No

As nouns, focal point and centring are synonyms defined as:

focal point and centring: the concentration of attention or energy on something

Other synonyms of focal point include centering, direction, focus, focusing, focussing.

focal point (noun)	centring (noun)
the concentration of attention or energy on something	(American football) putting the ball in play by passing it (between the legs) to a back
a point of convergence of light (or other radiation) or a point from which it diverges	the concentration of attention or energy on something
a central point or locus of an infection in an organism