Examples of divided ordinaries

From The Blazon of Gentrie by Sir John Ferne, p180

On the left: argent a bend per bend embattled (Ferne has “crenell”) gules and sable between two porches, doors opened, of the third

On the right: Arms of Clyson, gules a fess per fess dancetty (Ferne has “indented point in point”) sable and argent between three owls’ heads erased of the third