Ishi = Rocks
Large stone at the entrance welcome you in.
The stones represent mountains, and are symbols of strength and power. They are also used to form paths.
Mizu = Water
Water found in the garden is a vital element to life, present there in ponds, streams, and waterfalls, water will usually be found in two states, flowing, and still. Water usually represents purification and cleansing, and the flowing will be like the thoughts emotions and energy flowing around us. The stillness in standing water shows peace, and a place of reflection of self and events.
Shokobutsu = Plants
Plants are selected to be planted in the garden in variety of ways, some choose evergreens because the stay green all year round. Some choose plants that will bloom in certain seasons, and will plant so all seasons will be represented. Also the idea behind trees would be how the trees would show strength in flexibility.
Tenkeibutsu = Ornaments
Ornaments in the garden have their on representations, like Lanterns, being used to shine light on a path, which could also be symbols of enlightenment. Others might include frogs, basins and gates, all having their meaning to the person planting the garden.
Shakkei = Borrowed Scenery
Shakkei is the design of the garden to show the connection between all things not only just in it, but surrounding it too. The gardens a little place, taking up a little bit of space, but in the grand scheme of things, it is still a part of the land, landscape, yard, block, subdivision, city, county, nation, this world. We all may be a tiny piece of the population, but we are here and will make an impact on more than just ourselves.
Hashi = Bridges
Its been said that bridges symbolize a person's journey between planes of existence, spiritual and physical realms, and just walking across a bridge can help move you from the worries of the world of humans and work, and stress into a wider world you have created for yourself to allow a moment of harmony and appreciation for what is truly important, your peaceful mental stability.