1. Rhyme means that the rhyme of the first line and the second line is the same, for example:
Royal British Airways
(The rhyme A here means that the last syllable of the first line and the second line rhymes. )
2.b rhyme means that the rhyme of the third line is the same as that of the fourth line, such as:
This is a good example.
(The rhyme B here means that the last syllable of the third and fourth lines rhymes. )
3.c rhyme means that the rhyme of five lines is the same as that of six lines, such as:
This is a good example.
(The rhyme C here means that the last syllable of the fifth and sixth lines rhymes. )
4.d rhyme means that the rhyme of the seventh line is the same as that of the eighth line, such as:
A B A C D E F G A B C D E F G C D
(The D rhyme here means that the last syllable of the seventh and eighth lines rhymes. )
And so on. Finally, e, f, g and other rhymes are the same, indicating the last syllable between the two lines of rhyme. In Shakespeare's sonnets, these letters are used to describe complex rhyme patterns to express the musicality and beauty of poetry.