[Illustration: Flanche]

Ex. Azure, a flanche, argent.

In the _flasque_ the curved lines do not approach so near each other.

[Illustration: Flasque]

Ex. Azure, a flasque, argent.

In the _voider_ the lines are still wider apart; this ordinary
occupies nearly the whole of the field: it may be charged.

[Illustration: Voider]

Ex. Azure, a voider, argent.

The _tressure_ is a border at some distance from the edge of the
field, half the breadth of an orle: the tressure may be double or
treble.

[Illustration: Tressure]

Ex. Or, a double tressure, gules.

Tressures are generally ornamented, or borne flory or counter flory as
in the annexed example.

[Illustration: Ornamented double tressure]