The aesthetic, scientific, and practical discipline in the field of horticulture that involves the arrangement and modification of natural, urban, suburban, or rural spaces for the enhancement of beauty, functionality, and environmental sustainability. It is a form of art that combines elements of nature and construction to create harmonious outdoor spaces. This discipline includes the design of gardens, parks, patios, yards, and other outdoor areas, and often incorporates elements like plants, trees, flowers, water features, stone structures, and more, with a focus on creating a balance between human activity and natural ecosystems.