To the untrained eye, the evergreens, rocks, pebbles, sand, ponds and waterfalls, and other common Japanese design elements may appear to be randomly placed in the garden, but everything ...
You can create space by including a pond, always a welcome feature in a Japanese garden. If you don't have room for that, consider gravel or sand, either as a walkway covering or prominent feature.
Varieties with multi-branched trunks have a sculptural quality and become a natural focal point in the garden. For more ideas ...