Principal Permitted Use. This zone is designated for office buildings, doctors, dentists, veterinarians, architects, engineers, attorneys, or other like professionals, medical clinics, banking, insurance, institutional and real estate offices, and governmental and such other semi-commercial uses of similar character serving the direct public. Only the following uses are permitted:
1. Offices for business, executive and professional purposes.
3. Public buildings and uses.
4. Recreational uses, sports centers.
5. Schools and institutional uses.
6. Accessory uses customarily incident to the above uses.