Low-set, strong, sturdily built and active, giving an impression of substance and stamina in a small space. Should not be so low and heavy-boned as to appear coarse or overdone, nor so light-boned as to appear racy. Outlook bold, but kindly. Expression intelligent and interested. Never shy nor vicious. Correct type, including general balance and outline, the attractiveness of headpiece, intelligent outlook and correct temperament is of primary importance. Movement is especially important, particularly as viewed from the side. A dog with smooth and free gait has to be reasonably sound and must be highly regarded. A minor fault must never take precedence over the above-desired qualities. A dog must be very seriously penalized for the following faults, regardless of whatever desirable qualities the dog may present: oversized or undersized; button, rose or drop ears; overshot or undershot bite; fluffies, white lies, mismarks or blues.