foci

1. the concentration of attention or energy on somethingExamples: "the focus of activity shifted to molecular biology"; "he had no direction in his life"Synonyms: centering, direction, focal point, focus, focusing, focussing

2. maximum clarity or distinctness of an image rendered by an optical systemExamples: "in focus"; "out of focus"Synonyms: focus

3. maximum clarity or distinctness of an ideaExamples: "the controversy brought clearly into focus an important difference of opinion"Synonyms: focus

4. a central point or locus of an infection in an organismExamples: "the focus of infection"Synonyms: focal point, focus, nidus

5. special emphasis attached to somethingExamples: "the stress was more on accuracy than on speed"Synonyms: focus, stress

6. a point of convergence of light (or other radiation) or a point from which it divergesSynonyms: focal point, focus