How can a blaze facial marking be described?

A blaze facial marking is characterized by a broader strip of white that extends from the eyes down along the nose, typically covering a portion of the bridge of the nose. This definition is significant because it highlights the distinctive features that differentiate a blaze from other facial markings, such as a snip or a star.

In the context of understanding horse markings, recognizing the correct definition of a blaze helps in precise identification. Other options describe facial markings that have specific traits distinct from a blaze. For instance, a thin line from the forehead to the nose would be more accurately described as a snip, while a star marking is characterized by a small patch on the forehead. Meanwhile, a marking that only appears on the upper lip does not involve the forehead or nose area, thus not qualifying as a blaze. This specificity in understanding these markings is essential for accurate communication and identification in equine contexts.