A swallow may rarely be called an “Arrondell” in the blazon of Coats of Armor.
The Greek god Apollo is recognized as the patron of medicine, music, poetry and the arts. He is identified with the sun and prophecy.
The Acorn, either alone or in its association with the oak tree is a fairly common charge used in heraldry.
The anvil is an uncommon charge, but can be seen in the canting arms of families with the name Smith or names which sound like “anvil” such as Anvaile.
Mullet is from the French word molette, the rowel of a spur: it is generally drawn with five points, when more points are used they are named., used commonly in British heraldry.
The Archer is almost unheard of as a charge on British coats armor. There are instead countless bows, arrows and arrowheads taking the archers place on the shields of the British nobility.