Letter is a genre of occasional and applied literature which characteristic feature is its great variety. It can be a biographical document but also a para-literary or literary fictional letter. Formerly in literature a letter of a writer was frequently addressed to a wider audience and intended to be read aloud. Therefore, an authentic letter could deliberately have a component of creativity and could not only be a personal document but also a literary work. A variety of works was published in a form of a letter where definitely personal engagement can be observed, not only understood as a presence of biographical elements.
The monographic issue of “Inscription” XXIII devoted to letter will raise a variety of issues important for interpretation and editing of letters: