This document discusses project management methods and the system development lifecycle (SDLC). It describes several common project management methodologies: waterfall, agile, kanban, and six sigma. For each methodology, it provides an overview of the concept and highlights strengths and weaknesses. It also discusses the SDLC process and how it relates to and differs from project management. The overall purpose is to evaluate different project management methods and understand the basics of the SDLC.