As used in this article, the following terms shall have the meanings indicated:
Apartment units shall be defined as a group of rooms occupied by one family containing a functional kitchen and full bathroom serving as an accessory to the principal structure.
Ground floor is the lowest level within a building that is accessible from and within three feet above or two feet below the grade of the street.
Mixed-use projects combine single family or two residential dwelling units with one or more of the permitted nonresidential uses in the Village Zone. Mixed-use projects may be arranged vertically (ground-level retail, office, restaurant, entertainment, or community facility with residential uses above) or horizontally