Lake stone, dry landscape, balcony

Quick answer：

Lake stone refers to the stone used in Japanese garden design, often placed in ponds or used to create a natural-looking terrain. Dry landscape, or 'kare-sansui', is a Japanese gardening technique that uses stones, sand, and moss to represent a natural landscape. A balcony is an outdoor platform attached to a building, typically at an upper level, used for enjoying the outdoors.