What are the first couplet, parallel couplet, neck couplet and tail couplet?

The first couplet, the parallel couplet, the neck couplet and the tail couplet refer to the quadruple of poetry. In the quatrains, Yi * * * has four poems, the first one is called the first couplet, the second one is called the couplet, the third one is called the neck couplet, and the fourth one is called the tail couplet.

Examples are as follows:

Jueju

Two orioles singing green willows, (the first couplet)

A line of egrets rose into the sky. (link)

The window contains autumn snow in Xiling, (Necklace)

Mambo Wu Dong Wan Li Ship. (Tail connection)

Function:

The function of the first couplet is to summarize the content of the full text, and the whole poem is written around it, which expresses the central idea of the poem, that is to say, it can pave the way for the following poems and echo the title and ending.

The function of couplets is to connect the first couplet and pave the way for the specific content behind. Couplets can write things and scenery, but they can't express emotions and express the main idea of poetry, so they need to be opposed.

The function of neckline is a turning point in the poem, which inherits the above and leads to the following content, playing a transitional role.

The function of couplets is to summarize the whole poem, raise the whole thought to a higher level, echo the theme and the theme, and make its structure more thorough. Although the poem is over, its meaning can still be imagined and expressed endlessly.