Intro (8)
'intro' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for proem that I've seen before include "Prelude" , "Preliminary part" , "introductory piece" , "introduction" .)
'intro' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for preamble that I've seen before include "Preface, opening statement" , "Explanatory foreword" , "Make introduction" , "Overture" , "It starts" .)
(Other definitions for prologue that I've seen before include "Introduction to a play or story" , "Introductory scene" , "Dramatic preface" , "Introductory section (of, eg, a play)" , "Foreword" .)