A plain text file, plain text, plain text, plain text or bare text (plain English text) is composed only of plain text characters only, computer file which makes also human readable. These characters can be encoded in different ways depending on the language used. Some of the most widely used encryption systems are: ASCII, ISO-8859-1 or Latin-1 and UTF-8. Lack of information to generate formats (bold, underline, italics, size, etc.) and fonts (eg, Arial, Times, Courier, etc.). The term plaintext comes from a literal translation of the term plain text, a term which in Spanish means simple text or simple text.
FictionBook is a popular XML-based e-book format, supported by free readers such as FBReader, Okular, CoolReader, Bebook and STDU Viewer. The FictionBook format does not specify the appearance of a document; instead, it describes its structure and semantics. All the ebook metadata, such as the author name, title, and publisher, is also present in the ebook file. Hence the format is convenient for automatic processing, indexing, and ebook collection management. This also is convenient to store books in it for later automatic conversion into other formats.