Read the dictionary definition of focalise. All definitions for this word.
1. put (an image) into focus
1. Please focus the image; we cannot enjoy the movie
2. become focussed or come into focus
1. The light focused
3. bring into focus or alignment; to converge or cause to converge; of ideas or emotions
4. concentrate on a particular place or spot
1. The infection has localized in the left eye