Correct me if I'm wrong but I believe it is phrase or clause containing three or more words at the beginning or end of a sentence.
Explanation:
He’ll spend all the money.
Their plucking flowers.
Listen and respect your teachers!
Our principal wrote books.
Who knock the door?
A mother is awoken in the night by a clanging doorbell and flashing lights.
Couplets- two lines
quantraints -4 lines
tecrets-3 lines
(stanzas)
