focal point vs focusing

focal point and focusing both are nouns.

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

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

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

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

focal point (noun)	focusing (noun)
the concentration of attention or energy on something	the act of bringing into focus
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