What is Methodology and how does it correspond to a complex software project in today's Information Technology infrastructure?

Methodology is the description of the top level logic path used to accomplish a complicated group of tasks whom may be completed in different manners based upon findings resulting from investigation.

Life Cycle Methodology

Today's Information Technology software projects require what is known as a "Life Cycle Methodology".  This is the process of being certain that all parts of the project are interrelated and correspondence between issues, users, developers, managers, and accountants are all kept in focus as decisions are made.