説明書

Tea, and the whole world around it. 茶道 is the way of tea.

This is the character the katakana ン grew out of. It stands for a sound, not a word — the old form of 無, nothing.

The character in 武士道, the way of the samurai, and in 柔道. Read dō, and the head of it is taken for do.

The orchid. One of the four plants of classical painting, standing for quiet nobility.