Landscape comprises the visible features of an area of land, including the physical elements of landforms, water bodies such as rivers, lakes and the sea, living elements of land cover including indigenous vegetation.
Human elements including land uses, buildings and structures, and transitory elements such as lighting and weather conditions.
Landscape as referring to "the external, visible, (or touchable)
Definition
Landscape Architecture is the design of outdoor spaces (and often indoor spaces) through the integration of the environment, design, art, science, economy and sociology.