What makes a dreadnought acoustic guitar different from other acoustic guitars?

Grand Auditorium body style has the width and depth of a dreadnought.

Its narrower waist gives it the appearance of a smaller instrument, adds treble "zing" across the guitar's tonal spectrum.

The waist sharpens the definition of individual notes, and also enables it to rest comfortably in the lap.

With less mass from the width of the braces, the guitar top moves faster, resulting in a snappy, bell-like tone.