What does the cumulative appearance of five-character alliteration mean?

The first word of the five-character word rhymes with the second word. The cumulative appearance of five-character alliteration means that in Tang poetry, the first word and the second word of five-character words have the same rhyme, which is called "alliteration". The usage of alliteration also reflects the cultural tradition of China's ancient poetry that pays attention to rhythm, and through the efforts of accumulation and perfection, beautiful poems have been created.