What is the meaning of focussing?

noun

• The concentration of attention or energy on something.
  • usage: "the focus of activity shifted to molecular biology"; "he had no direction in his life"
  • synonyms: focus, focusing, focal point, direction, centering

verb

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