Rhyme has two functions:
First, it connects many scattered sounds to form a complete tone, making the rhythm of the poem more distinct and harmonious. When chanted, it makes people feel sonorous and pleasant.
Two: In order to facilitate memory, the poem has rhyme and makes it catchy to read. Even though the text is long, it is easy to memorize.
Generally speaking, the word cards have their own rhyme. The purpose of changing the rhyme is to harmonize with the music of the word, and also to have a sense of rhythm and rhythm, making it catchy when read