What does a bald marking on a horse typically indicate?

A bald marking on a horse is characterized by a large white area that often encompasses most of the face. This distinct type of marking is typically seen as a prominent feature and is recognized by equestrians for its unique appearance. Such markings are commonly associated with specific breeds and can be a significant aspect of identifying and assessing the horse's conformation and bloodlines.

While the other options refer to different types of white markings, they do not align with the definition of a bald marking. For instance, a small white patch on the shoulder would not be considered a bald marking due to its size and location, and a mark on the tail or a white line across the neck describes entirely different kinds of markings. Understanding the specific terminology related to horse markings is crucial for accurate identification and communication in the equestrian community.