The key serves some of the same functions as the Control key on IBM keyboards. See also Control key. A string of text written in the command language and passed to the command interpreter for execution. See also command language. Text embedded in a program for documentation purposes.
Comments usually describe what the program does, who wrote it, why it was changed, and so on.
Most programming languages have a syntax for creating comments so that they can be recognized and ignored by the compiler or assembler. Also called remark. See also comment out. To disable one or more lines of code from a program temporarily by enclosing them within a comment statement. See also comment, conditional compilation, nest.