Ashworth

• Shield shapeHeaterThe usual knightly shield of the 13th and 14th centuries. The shape shows period and fashion, not a symbol.
• ColourGulesCourage and military strength: the red of a fighter's blood.
• DivisionPlainOne tincture, no division: the simplest field.
• OrdinaryChevron · OrThe rafters of a roof: protection and a home's support.
• ChargeTower · ArgentA stronghold: the defence of a family and its home.

These meanings are a later tradition. Medieval heralds mostly chose a charge for how it looked, or as a pun on the family's name.

The number of figures, where they stand and which way they face are choices of design, with no fixed meaning.