the.com/focusing
The rare act of pointing all your attention at one thing instead of forty.
means Concentrating your mental or visual attention on a single target while ignoring everything else competing for it.
from From Latin focus, meaning hearth or fireplace — the warm center a household gathered around. Optics later borrowed it for the point where light converges, and minds borrowed it from optics.
Optical rootsCameras focused light before brains focused thought.
Hearth logicFocus meant home fire, the gathering point.
Attention spanDeep focus takes minutes to build, seconds to lose.