what is the waterfall method in project management
Waterfall model The waterfall model is a relatively linear sequential design approach for certain areas of engineering design. In software development, it tends to be among the less iterative and flexible approaches, as progress flows in largely one direction ("downwards" like a waterfall) through the phases of conception, initiation, analysis, design, construction, testing, deployment and maintenance.
Planning Planning increases the efficiency of an organization. It reduces the risks involved in modern business activities. It utilizes with maximum efficiency the available time and resources. The concept of planning is to identify what the organization wants to do by using the four questions which are "where are we today in terms of our business or strategy planning? Where are we going? Where do we want to go? How are we going to get there?..." ⟨⟩
PDCA During the plan phase, establish the objectives and processes necessary to deliver results in accordance with the expected output (the target or goals). By establishing output expectations, the completeness and accuracy of the specification is also a part of the targeted improvement. When possible start on a small scale to test possible effects.
Project management triangle The Project Management Triangle (called also the Triple Constraint, Iron Triangle and "Project Triangle") is a model of the constraints of project management. While its origins are unclear, it has been used since at least the 1950s.[1] It contends that: