KANJI GUIDE
Clear and cheerful, of a voice or a person. 明朗 is bright and open; 朗読 is reading aloud.
A leaf. 言葉, the word for language, is literally leaves of speech.
The sky, and heaven with it. 天国 is paradise; 天気 is the weather.
In Japan the crane is said to live a thousand years. 折り鶴 is the paper one, folded and given as a wish.