Which term denotes full cessation of a note and indicates its end?

The term that denotes full cessation of a note and indicates its end is the plus sign (+). In music notation, the plus sign indicates that a note should be cut off completely, resulting in a definitive end. This can help clarify phrasing and articulate the music more effectively by signaling a momentary pause or break.

In contrast, smorzando refers to gradually dying away or lessening in volume, but it doesn’t signify an abrupt end. Staccato indicates that a note should be played sharply and separated from the following note, but it does not imply a full cessation like the plus sign. The term muta, which means to change, generally refers to changing instruments or tuning rather than directly indicating the end of a note. This makes the plus sign the most appropriate choice to denote full cessation and the end of a note.