The noun emphasis has 4 senses (first 3 from tagged texts)
1. (18) emphasis, accent -- (special importance or significance; "the red light gave the central figure increased emphasis"; "the room was decorated in shades of grey with distinctive red accents")
2. (7) vehemence, emphasis -- (intensity or forcefulness of expression; "the vehemence of his denial"; "his emphasis on civil rights")
3. (1) emphasis -- (special and significant stress by means of position or repetition e.g.)
4. stress, emphasis, accent -- (the relative prominence of a syllable or musical note (especially with regard to stress or pitch); "he put the stress on the wrong syllable")