What does the word focus mean?

Usage examples for focus

  1. His ideas upon the subject are: " I figure that the earthquake which caused so much damage in San Francisco came from what we call the focus of disturbance. – Complete Story of the San Francisco Horror by Richard Linthicum Trumbull White Samuel Fallows
  2. You focus on him and say, 'What a beastly shame! – The Honorable Senator Sage-Brush by Francis Lynde
  3. In consequence the hotel has ceased to be, what it undoubtedly was twenty years ago, the focus of our summer life. – The Ways of Men by Eliot Gregory