is based on the XML format. Its main tasks are: precise display on a variety of devices, full preservation of document structure, ability to be transformed into other formats. Unlike other popular e-book formats, fb2 does not specify the appearance options for different devices’ displays. The format employs tools to indicate the different parts of the book – verses, epigraphs, quotations.
This is an image file format written in textual form in the C language. It is used in the X Windows System interface for remote connections, which is designed to serve clients and servers. This format can be used to store color and monochrome images.