This document discusses various hardscaping elements used in landscape and garden design. It covers materials for driveways, walkways, steps and patios such as concrete, brick, pavers and gravel. It also addresses considerations for parking areas and lighting design. The document provides guidance on proper sizing of decks and details the anatomy of a low-voltage lighting system. It encourages studying existing garden designs and emphasizes the importance of functionality and aesthetics when planning hardscaping elements.