0 the long strip of wood on a stringed musical instrument against which the strings are pressed by the fingers in order to change the note that is played: --
Guitars and banjos have fingerboards.
On most modern western fretted instruments, frets are metal strips inserted into the fingerboard.
The fingerboard is made from ebony and has 22 frets.
The fingerboard has jumbo frets and a 7 radius.
Not having frets carefully and properly aligned with the fingerboard can cause severe intonation issues and constant detuning.
The "zhongruan" has a straight neck with 24 frets on the fingerboard and 4 strings.
It has a flat back, metal frets, and a slightly raised fingerboard in the front.
Other concepts for changeable frets, include removable detachable fingerboards: switchboards.
On a fretted bass, the frets divide the fingerboard into semitone divisions (as on a guitar).