Application content. Each application shall set forth the purpose for which the building is intended and shall be accompanied panied by a plot plan, scale drawings and/or sketches and descriptions of the lot, building dimensions or required yards and such other information as may lawfully be required by the Zoning Officer, including the number of families, number of dwelling units and conditions existing on the lot. The original copy of such plans and/or illustrative and explanatory material shall be filed in the Village Clerk's office.