Body Type/Shape: Determines volume and tone, ranging from small Parlor (intimate) to Dreadnought (balanced/loud) and Jumbo (deep bass).
Tonewoods: The wood used for the top (spruce/cedar), back and sides (mahogany/rosewood), which shapes the acoustic resonance.
Scale Length: The length of the vibrating string (typically 24.8" to 25.6"), affecting tension and feel.
Nut Width: The width of the neck at the headstock (often 1.6875" to 1.75"), affecting finger spacing.
Action Height: The gap between strings and frets, usually measured at the 12th fret (approx. 2.5 mm for steel-string).
Bracing: Int