What's the difference between bordure and purfle?

Bordure

Definition:

• (n.) A border one fifth the width of the shield, surrounding the field. It is usually plain, but may be charged.

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Purfle

Definition:

• (v. t.) To decorate with a wrought or flowered border; to embroider; to ornament with metallic threads; as, to purfle with blue and white.
• (v. t.) To ornament with a bordure of emines, furs, and the like; also, with gold studs or mountings.
• (n.) Alt. of Purflew

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