Coat of arms of Durrant

The blazon

sa. a fesse dancettee, ar. in chief three fleurs-de-lis of the second. — Crest, a lion, rampant, ar. holding in the dexter fore paw, a fleur-de-lis or, and in the mouth, a sword ppr. hilt and pomel of the second, point downwards.

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.