1_What does mean上联and 下联 in this sentence In English? 对联分为上联和下联。

Question

1_What does mean上联and 下联 in this sentence In English?  对联分为上联和下联。

Answer

上联 = the opening couplet line.
下联 = the capping line.

Answer

This is a pair of couplet : （上联） 大肚能容容天下难容之事，
                                                   （下联）开口便笑笑世间可笑之人。

Answer

The couplet is divided into  left scroll and right scroll.