As used in this part, the term "subdivision" means all divisions of a tract or parcel of land into two or more lots, buildings, sites, or other divisions for the purpose, whether immediate or future, of sale, legacy, or building development; includes all division of land involving a new public road or a change in existing public roads or new drives, driveways, access ways, or changes that require access to the state right of way; includes resubdivision; and, where appropriate to the context, relates to the process of subdividing or to the land or area subdivided; provided, however, that the following are not included within this definition:
OCGA § 32-6-150