Focus

attention

(concentration of attention)

foyer

(in optics)

foyer

(in mathematics)

concentrer

((transitive) To direct (attention, effort, or energy to))

focaliser

(to cause (rays of light, etc) to converge at a single point)

mettre au point

((transitive, optics) to adjust (a lens, an optical instrument))

se concentrer

((intransitive) to concentrate one's attention)

se concentrer

((intransitive) to concentrate one's attention on something)

se focaliser

((intransitive) to concentrate one's attention)