説明書

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.

To wake up to something you had not seen. 悟り is enlightenment in the Buddhist sense.

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