Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) focus, focal point (a point of convergence of light (or other radiation) or a point from which it diverges)
S: (n) focus, focal point, nidus (a central point or locus of an infection in an organism) "the focus of infection"
S: (n) focus, focusing, focussing, focal point, direction, centering (the concentration of attention or energy on something) "the focus of activity shifted to molecular biology"; "he had no direction in his life"