The evolution of reverse code engineering has led to the development of highly advanced and intelligent tool such as the interactive disassembler (IDA). The key feature of the new proposed macro descriptive language (MDL), or substitution language, is based on the preprocessor, macroexpander, macro definition that is used significantly with C legacy code, which is a very simple macro processor. MDL declarations, syntaxes, keywords, and taxonomies should be clearly identified and self-definite to bring self-similarity, self-consistency and existence. The integrity of MDL statements should be preserved in an associative manner without interference with base language (C++) since this could lead to abnormal behavior. The key feature of verbose analytical transparency scheme (VATS), which is proposed for MDL code representation, is the relational input output reading system.