What rhetorical devices did the author use in this sentence to write calligraphers' works?

Calligraphers artistically enhance the appreciation of Chinese characters and give people a sense of beauty. Calligraphy has no rhetorical devices. Characters contain all kinds of emotions of calligraphers, such as emotions, joys and sorrows, and are the catharsis of feelings, just like other art categories.

Calligraphers artistically enhance the appreciation of Chinese characters and give people a sense of beauty. Calligraphy has no rhetorical devices. Characters contain all kinds of emotions of calligraphers, such as emotions, joys and sorrows, and are the catharsis of feelings, just like other art categories.

Calligraphers artistically enhance the appreciation of Chinese characters and give people a sense of beauty. Calligraphy has no rhetorical devices. Characters contain all kinds of emotions of calligraphers, such as emotions, joys and sorrows, and are the catharsis of feelings, just like other art categories.