what term is defined as divisions of the fingerboard on a guitar? frets synthesizers luthiers

what term is defined as divisions of the fingerboard on a guitar? frets synthesizers luthiers
Answer
Brief Explanations:
Frets are the metal strips on a guitar's fingerboard that divide it into different - length vibrating segments, changing the pitch of the strings when pressed. Synthesizers are electronic musical instruments for generating sounds, and luthiers are people who make or repair stringed instruments.
Answer:
A. Frets