epigraphically
literature specialized
a saying or a part of a poem, play, or book put at the beginning of a piece of writing or a film, to give the reader some idea of what the piece is about: （诗歌、戏剧或书的卷首或章节前的）引言，卷首语
She has chosen this remark as the epigraph for her new novel.
The film's epigraph comes from the late French director René Clair.
Instead of the traditional epigraph carved in stone, the tomb has an illuminated digital display.
A team of archaeologists is already working to decipher the epigraphs.
The book's epigraph is "To find the soul it is necessary to lose it."
There’s an epigraph at the beginning of the book which is from an ancient Sumerian poem.

SMART Vocabulary: related words and phrases

Pieces of writing
annotation
biographic
blog post
caption
Chyron
creative writing
cutting
draft
intertextual
intertextuality
intertextually
juvenilia
legend
lineation
passage
self-portrait
subheading
transcript
uncaptioned
versification

You can also find related words, phrases, and synonyms in the topics:

Books & parts of books

Examples from literature

It would give wide latitude to a witty remark, which has become proverbial, to make it the epigraph of these memoirs. 
The two plays bearing as epigraph the name of that famous soldier and conspirator are a storehouse of lofty thought and splendid verse, with scarcely a flash or sparkle of dramatic action. 

Examples of epigraph

epigraph
Historical linguistics is an engaging, hands-on introduction to the field, from the quaint epigraphs beginning each chapter to the well-planned exercises concluding them.
This disguise takes various forms - from the placement of the poems, to their epigraphs, to the self-conscious allusions within them.
Returning to the epigraph of this essay, colonization is presented as filling up the open space of the body.
Each band has two horizontal registers of pictorial imagery, which are occasionally captioned with brief epigraphs that identify the scenes.
At the top of the poster appears a poetic manifesto of viejoteca philosophy (cited as the epigraph to this article).
Perhaps, in her epigraphs to male poets, she wished to make a critical point about the genre and history of the love lament.
Paratexts are heterogeneous elements which help in the reception of a work, such as titles, epigraphs and dedications, and commentaries of a work such as programme notes.
This anti-globalisation movement slogan could form the epigraph of our debate.
From Europarl Parallel Corpus - English
There is no authentic epigraph to aid the historian with its chronology.
From
Wikipedia