Two types of cursive calligraphy for the word "安":
Cursive script is a specific font. It was formed in the Han Dynasty and evolved on the basis of official script for the convenience of writing. It is characterized by simple structure and continuous strokes. In fact, regardless of the era, any scrawled handwriting can be regarded as cursive writing.
"Shuowen Jiezi" says: "The Han Dynasty had cursive script." Cursive script began in the early Han Dynasty. Its characteristics are: keeping the outline of characters, destroying the rules of officialdom, letting people run around, and rushing to work. Because of the meaning of cursive creation, it is called cursive script.
Extended information:
The cursive writing method of the word "安":
The cursive script was developed on the basis of regular script and is between regular script and cursive script. A font that was created to make up for the slow writing speed of regular script and the difficulty of legibility of cursive script. In essence, it is the cursiveization of regular script or the regularization of cursive script.
Running script has high practicality and artistry, while regular script is a text symbol, which is highly practical and requires skill. In comparison, cursive script has high artistic quality, but its practicality is relatively insufficient.
Reference material: Baidu Encyclopedia - Cursive Script