focus (EN)

verb, noun

verb “focus”

1. to concentrate on one specific thing, ignoring others
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   During the meeting, Sarah focused on the budget issues rather than the upcoming company events.
2. to adjust a lens or optical device so that the image is clear
   Before taking the photograph, she focused her camera on the blooming flowers to ensure clarity.
3. to make a computer interface element active so it can receive user input
   When you press the tab key, the computer automatically focuses the next field in the form.

noun “focus”

1. the main point of activity, attention, or interest
   The new marketing campaign became the company's primary focus to boost sales.
2. the act of concentrating your attention
   To solve the puzzle, she needed to maintain her focus despite the distractions around her.
3. a point where light rays meet after being reflected or refracted
   By adjusting the lens, the photographer was able to bring the light to a sharp focus, illuminating the subject perfectly.
4. a specific point related to the shape of curves in geometry
   In a parabola, any ray parallel to the axis of symmetry will reflect off the curve and pass through the focus.
5. the clarity of an image in terms of light meeting at the right point
   The entire photo looks blurry because the subject was out of focus.
6. the precise location where an earthquake starts below the earth's surface
   Scientists determined the focus of the earthquake to be 100 kilometers beneath the surface, directly under the city.
7. the condition of a user interface element being ready to receive user input
   When you click on a text box, it gains focus, allowing you to type into it directly.