The lozenge is formed by four equal and parallel lines but not rectangular, two of its opposite angles being acute, and two obtuse.
Ex. Argent, a lozenge, vert.
The fusil is narrower than the lozenge, the angles at the chief and base being more acute, and the others more obtuse.
Ex. Argent, a fusil, purpure.
The mascle is in the shape of a lozenge but perforated through its whole extent except a narrow border.
Ex. Gules, a mascle, argent.
The fret is formed by two lines interlaced in saltier with a mascle.