Epistolary: refers to stories written not just through prose, but containing documents, emails, letters, text-messages, news articles or other forms of literary media to help tell the story. May be solely written in document-form (such as document-fics, chatfics, etc...) or use snippets of documents to enrich and enhance the regular prose.
ВЫ ЧИТАЕТЕ
A-Z Fanfiction Guide: Terms to Know
РазноеAn A-Z List of all the fanfic terms YOU should know! (Cr. Goes to Angerfire.com for references and information) * this will be updated periodically, so if some things are missing, they haven't been added yet.