The document provides an overview of landscape design principles including:
1) Landscape design involves considering the 3D space of a site including floors, walls, and ceilings and determining appropriate functions and themes.
2) Bubble diagrams are used to define spaces and ensure the landscape design makes full use of the available area.
3) Choosing plants suited to the climate, design, and intended use of spaces allows the landscape to achieve its greatest potential and provide enjoyment.