focus

focus (http://definr.com/focus)

     n 1: the concentration of attention or energy on something; "the
          focus of activity shifted to molecular biology" [syn: focusing,
           focussing, centering]
     2: maximum clarity or distinctness of an image rendered by an
        optical system: "in focus"; "out of focus"
     3: maximum clarity or distinctness of an idea; "the controversy
        brought clearly into focus an important difference of
        opinion"
     4: a central point or locus of an infection in an organism;
        "the focus of infection" [syn: nidus]
     5: special emphasis attached to something; "the stress was more
        on accuracy than on speed" [syn: stress]
     6: a point of convergence of light (or other radiation) or a
        point from which it diverges [syn: focal point]
     7: a fixed reference point on the concave side of a conic
        section
     v 1: focus one's attention on something; "Please focus on your
          studies and not on your hobbies" [syn: concentrate, center,
           centre, pore, rivet]
     2: cause to converge on or toward a central point; "Focus the
        light on this image" [ant: blur]
     3: bring into focus or alignment; to converge or cause to
        converge; of ideas or emotions [syn: concenter, concentre]
     4: become focussed or come into focus; "The light focused"
        [ant: blur]
     5: put into focus; as of an image on a screen; "Please focus
        the image; we cannot enjoy the movie" [syn: sharpen]
        [ant: blur]