Question

Which lines are repeated in the poem ?what do they mean?

Answer 1

Explanation:

Here's a quick and simple definition: In a poem or song, a refrain is a line or group of lines that regularly repeat, usually at the end of a stanza in a poem or at the end of a verse in a song.

Answer 2

The line what does he plant who plants a tree? This is a rhetorical which had been replied by the poet himself. It is only meant for emphasis