Coat of arms of Boas

The blazon

ar. on a chev. engr. gu. five bezants, betw. an anchor, in base, and two birds, in chief, with wings, erect, or. — Crest, a demi lion, charged with three bezants on the shoulder, and a star on the hip, holding betw. the paws five arrows, four in saltier and one in fesse, upon the top.

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.