Noun

• S: (n) focus, focusing, focussing, focal point, direction, centering (the concentration of attention or energy on something) "the focus of activity shifted to molecular biology"; "he had no direction in his life"

Verb

• S: (v) concentrate, focus, center, centre, pore, rivet (direct one's attention on something) "Please focus on your studies and not on your hobbies"
• S: (v) focus (cause to converge on or toward a central point) "Focus the light on this image"
• S: (v) concenter, concentre, focalize, focalise, focus (bring into focus or alignment; to converge or cause to converge; of ideas or emotions)
• S: (v) focus, focalize, focalise (become focussed or come into focus) "The light focused"
• S: (v) focus, focalize, focalise, sharpen (put (an image) into focus) "Please focus the image; we cannot enjoy the movie"