Sign regulations, including provisions to control the type, design, size and location thereof, are established in order to achieve, among others, the following purposes:
(a) To promote attractive and high-value residential districts, by permitting only nameplates, bulletin boards and signs related to the development, rental or sale of residential properties;
(b) To provide for reasonable, and yet appropriate, conditions for advertising goods sold or services rendered in business districts by relating the size, type and design of signs to the type and size of establishment; and
(c) To provide for appropriate signs for service and industrial developments.
(2004 Code.)