The purpose of the authority granted under this part is to: finance the establishment, acquisition, design, construction, alteration, improvement, extension, operation, and maintenance of: adequate storm drainage systems; public parking facilities; pedestrian malls; street and area lighting; and ride sharing and bus systems; finance the capital and operating costs to enhance police, fire protection, and rescue services; and provide financing for commercial district management authorities established under § 5–214(b) of this article.