Folder
Part of speech: noun
Definition: An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet. A virtual container in a computer's file system, in which files and other folders may be stored. The files and subfolders in a folder are usually related. A machine or person who folds things.
Pamphlet
Part of speech: noun
Definition: A small booklet of printed informational matter, often unbound, having only a paper cover.
Example sentence: The official version of Watergate is as wrong as a Flat Earth Society pamphlet.