Machine readable files created by compiling source code.

Binary, machine readable forms of programs that have been compiled or assembled. As opposed to Source language forms of programs.

An application binary is the compiled form of a program, the actual machine code that is executed by a system in order to run the program.

Files that are on newsgroups but have been encoded so they can be transmitted over the Internet. They require special software to decode them. They can be almost anything. Pictures, programs, word processing or spreadsheet files, or almost anything else. Please be aware that these files can contain offensive material or viruses.

Graphic or software files converted to text code for posting on Usenet or sending via e-mail.

In the context of Newsgroups the term binary is used to refer to images/photographs that are attached to an Email message. More generally it is a term used in computing to describe files which do not consist of text.