Sjöberg

• Shield shapeHeaterThe usual knightly shield of the 13th and 14th centuries. The shape shows period and fashion, not a symbol.
• ColourArgentPeace and sincerity: the silver of purity.
• DivisionPlainOne tincture, no division: the simplest field.
• OrdinarySaltire · SableSaint Andrew's cross: faith, and in old tales a mark of courage.
• ChargeRose · AzureBeauty and love; in England, the rival houses of York and Lancaster.

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.