How is the term "Charlie" typically described in relation to markings?

The term "Charlie" is often used in relation to specific types of markings on rabbits, particularly relating to distinctive facial markings that are unique to certain breeds. This term can refer to the presence of a pattern or coloration that stands out prominently on the rabbit's face, which may include areas of white or contrasting colors that create a characteristic appearance. Such markings are essential for breed identification and can indicate specific genetic traits.

The other options discuss various types of color patterns and markings, but they do not capture the unique focus on facial features that the term "Charlie" implies. Distinctive facial markings are key traits that help define the visual aspects of certain rabbit breeds, making this choice the most fitting representation of the term.