Rhyme, also called "rhyme". When writing poems, songs, fu and other rhymes, rhyming words are used at the end of sentences or couplets, which is called rhyme. Poetry rhymes, making the work sound harmonious, easy to recite and remember, with beautiful rhythm and tone. In the past, rhyming required the same or the same rhyme part, with some variations. Modern new poetry rhymes without being restricted by ancient rhyming books.
Rhyme book is a kind of book that arranges Chinese characters according to their pronunciation and rhyme. This kind of books is mainly written to distinguish and stipulate the correct pronunciation of words, which belongs to the category of phonology. Because the rhyme book not only has the explanation of word meaning, but also has the record of glyph, and can also play the role of dictionary and dictionary.