What is the meaning of Dexter in heraldry?

In heraldry, "Dexter" refers to the right side of a shield from the perspective of the person holding it, which is actually the left side from the viewer's perspective. It is often associated with the position of honor and is typically where the most important symbols or charges are placed. The term "Sinister" is used for the left side, contrasting with Dexter. This distinction is crucial in heraldic designs and interpretations.