A Biographeme (n.) is a partial biographical feature in a writer's life which delights one much like that partial object, the photograph.
The Biographeme (n.) is a fragment that points to the essence of a life.
The Biographeme (n.) is the minimal unit of biographical discourse just as the morpheme is to linguistic analysis and the mytheme to mythical analysis.
The Biographeme (n.) is a poet's conception.
The Biographeme (n.) is certain biographical features which, in the life of a writer, enchant one like certain photographs.
The Biographeme (n.) is that in a biography which reaches out of the text and touches, just as the photo reaches out of the photograph and pricks.