“Neighborhood improvement project” includes:
1. The beautification and improvement of the public portions of any area, including, without limitation:
(a) Public restrooms;
(b) Facilities for outdoor lighting and heating;
(c) Decorations;
(d) Fountains;
(e) Landscaping;
(f) Facilities or equipment, or both, to enhance protection of persons and property within the improvement district;
(g) Ramps, sidewalks and plazas; and
(h) Rehabilitation or removal of existing structures;
2. The improvement of an area by providing promotional activities; and
3. The improvement of a water or sewer system that is owned by a common-interest community.