PRIMARY PARTITION OF THE SHIELD

The primary partition is the division of the shield ("field") into two or more segments of two different tinctures, each of equal footing.

Division into two parts

Per pale

Per fess

Per bend

Per chevron

Division into three and four parts

Per pall

Per saltire

Per cross

If a field is divided into "stripes", their direction and number must be specified.

Paly of nine

Barry of eight

Bendy of nine