1. A computer-implemented method for improving software specifications and design using a unified document, the method comprising: receiving a master document, the master document being dissected into one or more parts; automatically assuring, using a non-Extensible Markup Language (XML) schema, that each of the one or more parts is formatted according to a category specified in predetermined formatting criteria; based on the category of each of the one or more parts, selectively labeling the one or more parts according to predetermined labeling criteria to produce a plurality of fragments having content formatted according to the predetermined formatting criteria and labeled with a plurality of labels; based on formatted content, automatically receiving a formatted unified document, the unified document including the plurality of fragments, each fragment of the plurality of the fragments having the content formatted according to the predetermined formatting criteria; and automatically transforming the unified document into a plurality of documents according to predetermined transformation rules, the plurality of documents including one or more source code files.