focus

I have to focus on my work.

The president focused her remarks to the newcomers.

The difficulties of focussing colour-light signals on curved tracks to ensure maximum sighting distance were underlined in the recent official report … on a low-speed collision at Newcastle Central on July 25, 1960, between an unfitted freight and a diesel-hauled passenger train.

You'll need to focus the microscope carefully in order to capture the full detail of this surface.

If you're going to beat your competitors, you need to focus.

The text box won't receive the user's keystrokes unless you explicitly focus it.

Whole pages of it are filled with masses of figures, generally single numbers added up in batches, and then the totals added in batches again, as though he were "focusing" some account, as the auditors put it.