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.

To fly. 飛行機 is an aeroplane; 飛躍 is a leap forward.

A kindness you have received and still owe. 恩人 is someone you are indebted to.