Tactus is a Latin word that refers to a musical term used to describe the touch of a hand on an instrument or a person's body when conducting. There are other words that have similar meanings as 'tactus.' Some of the synonyms for tactus include touch, contact, sensation, perception, feeling, and sense. Furthermore, gesture, movement, pulse, rhythm, beat, and tempo have related or similar connotations. Tactus is an essential term in music, particularly in early music theory, and is still used in contemporary music as a way of directing performers to adjust their touch and timing, resulting in more cohesive and beautiful music.