DIVISION OF GUITAR ACCORDING TO STRING NUMBER
The vast majority of guitars have six strings.
Edited jumbo or western guitar. The intention is primarily a more pronounced, more penetrating sound. Tuning is the same as the six-string guitar, except that each string is "double" (2x E, 2x H, ...). The biggest use of "twelve strands" is in country and bluegrass.
Sometimes we also encounter other strings. Of course, experiments are not bound to the limits. E.g. seven or eight-beat guitars have added bass strings for a larger range of tones.