The inescutcheon is a small escutcheon borne within the shield.
Ex. Argent, a pale, gules, over all an inescutcheon or, a mullet sable.
An orle is a perforated inescutcheon, and usually takes the shape of the shield whereon it is placed.
Ex. Azure, an orle, argent.
The flanche is formed by two curved lines nearly touching each other in the centre of the shield.
Ex. Azure, a flanche, argent.
In the flasque the curved lines do not approach so near each other.