I'm just guessing that maybe you are referring to a male name Kaz, or Kazu, which is normally an abbreviated version (nickname) of longer names such as Kazuo, Kazuhiro, Kazuhiko, Kazutoshi, etc., etc., there are many male names that start with kazu-.
Definition of Quatrain. A quatrain is a verse with four lines, or even a full poem containing four lines, having an independent and separate theme. Often one line consists of alternating rhyme, existing in a variety of forms.
diptych (plural diptychs) 1  A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within. ( 2 art) A picture or series of pictures painted on two tablets, usually connected by hinges.