focus

(noun) the concentration of attention or energy on something. Synonyms: focusing, focussing, focal point, direction, centering. Examples: "The focus of activity shifted to molecular biology." "He had no direction in his life."

(noun) maximum clarity or distinctness of an image rendered by an optical system. Examples: "In focus." "Out of focus."

(noun) maximum clarity or distinctness of an idea. Example: "The controversy brought clearly into focus an important difference of opinion."

(noun) a central point or locus of an infection in an organism. Synonyms: focal point, nidus. Example: "The focus of infection."

(noun) special emphasis attached to something. Synonyms: stress. Example: "The stress was more on accuracy than on speed."

(noun) a point of convergence of light (or other radiation) or a point from which it diverges. Synonyms: focal point.

(noun) a fixed reference point on the concave side of a conic section.

(verb) direct one's attention on something. Synonyms: concentrate, center, centre, pore, rivet. Example: "Please focus on your studies and not on your hobbies."

(verb) cause to converge on or toward a central point. Example: "Focus the light on this image."

(verb) bring into focus or alignment; to converge or cause to converge; of ideas or emotions. Synonyms: concenter, concentre, focalize, focalise.

(verb) become focussed or come into focus. Synonyms: focalize, focalise. Example: "The light focused."

(verb) put (an image) into focus. Synonyms: focalize, focalise, sharpen. Example: "Please focus the image; we cannot enjoy the movie."