The cursive script (草書(书), cǎoshū, literally "grass script") is used informally. The basic character shapes are suggested, rather than explicitly realized, and the abbreviations are sometimes extreme. Despite being cursive to the point where individual strokes are no longer differentiable and the characters often illegible to the untrained eye, this script (also known as draft) is highly revered for the beauty and freedom that it embodies. Some of the simplified Chinese characters adopted by the People's Republic of China, and some simplified characters used in Japan, are derived from the cursive script. The Japanese hiragana script is also derived from this script.

What script is used informally?