| noun | the concentration of attention or energy on something “the focus of activity shifted to molecular biology” |
| noun | maximum clarity or distinctness of an image rendered by an optical system “in focus” |
| noun | maximum clarity or distinctness of an idea “the controversy brought clearly into focus an important difference of opinion” |
| noun | a central point or locus of an infection in an organism “the focus of infection” |
| noun | special emphasis attached to something “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 |
| noun | a fixed reference point on the concave side of a conic section |
| verb | direct one's attention on something “Please focus on your studies and not on your hobbies” |
| verb | cause to converge on or toward a central point “Focus the light on this image” |
| verb | bring into focus or alignment; to converge or cause to converge; of ideas or emotions |
| verb | become focussed or come into focus “The light focused” |
| verb | put (an image) into focus “Please focus the image; we cannot enjoy the movie” |
| focus | verb | bring into focus or alignment; to converge or cause to converge; of ideas or emotions |
| center | verb | center upon |
| stress | verb | to stress, single out as important |
| focal | adjective | of or relating to a focus |
| concentration | noun | complete attention; intense mental effort |
| focus | noun | the concentration of attention or energy on something |
| focussing | noun | the concentration of attention or energy on something |
| focusing | noun | the concentration of attention or energy on something |
| center | noun | the object upon which interest and attention focuses |
| centering | noun | the concentration of attention or energy on something |
| focalization | noun | the act of bringing into focus |
| focalisation | noun | the act of bringing into focus |