Classic:  This term refers to a fawn or brindle boxer with little or no white on it, or maybe just a little bit on it's toes or chest or face.

Semi-flashy:  This is not a technical term, but a term that breeders use when a dog has white on it.

Flashy: This term is used when a fawn or brindle boxer has at least 1/3 white on it's body. This is usually on their legs, chest, belly, or face.

Check:  This term is used when a fawn or brindle has 50% of their body covered in white.