As used in this chapter, the following terms shall have the meanings indicated:
Any structure, regardless of composition, except a living fence, that is erected or maintained for the purpose of enclosing a piece of land or dividing a piece of land into distinct portions.
Applies to that portion of the yard in front of the rear building line of any building. All corner properties adjacent to a public street, alley or highway shall also be considered as a "front yard" for the purposes of this chapter. However, this definition shall specifically not apply for purposes of swimming pool protection.
The distance measured from the existing grade to the top of the fence.