Coat of arms of Rolle

The blazon

or, on a fesse, indented, (another, dancettee,) betw. three billets az. each charged with a lion, rampant, of the first, as many bezants. — Crest, a cubit arm, erect, vested or, charged with a fesse, indented, double cottised of the last, holding in the hand ppr. a flint-stone of the last.

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.