Explanation of terms: 1. "Xiaoya"; 2. Tang Dynasty Legend; 3. Jiaxuan Style; 4. "Three Words".

1. "Xiaoya" is part of the Book of Songs, which is Chinese poetry in the pre-Qin era. ***There are seventy-four articles. Created from the early to late Western Zhou Dynasty. Most of them were in the Nianli, Xuan and You king periods of the Western Zhou Dynasty. Some of the poems in "Xiaoya" are similar to those in "Guofeng", the most prominent of which are works about war and labor. The Book of Songs is the first collection of poems in the history of Chinese literature.

2. "Legends of the Tang Dynasty" is a short story in classical Chinese of the Tang Dynasty. The content is mostly about anecdotes and strange events. Later generations are called legends of the Tang Dynasty, or legends of the Tang Dynasty. After the preparation and prosperity of Tang Dynasty in the initial period, it finally began to decline in the late Tang Dynasty.

3. Jiaxuan style - the name of Song Ci style school. Xin Jiaxuan's poems are colorful and eclectic, and are famous for their boldness and elegance. His nostalgic poems are exciting and vigorous, his lyrical poems are pathos and lingering, his leisurely poems are fresh and natural, and he has many good qualities, so he is called "Jia Xuan Style".

4. A collection of short stories compiled by Feng Menglong in the Ming Dynasty. It is collectively known as "Essential Words to Tell the World", "Words to Warn the World" and "Everlasting Words to Awaken the World".