A section is a cut through the 3d-model. An elevation is different. It shows the face of something, or perhaps more correct, the projection of an object/s to a plane.
Project Definition: Establishing Scope, Vision and Work Effort. In order to have any realistic shot at a successful project, (delivered on time and on budget) the overall vision and work effort must first be fully defined --- i.e. broken down into small, manageable and actionable parts.
Professor Glenn Ballard, Chair. This dissertation explores the development of purpose in the project definition phase of. construction projects. Project definition is the project phase that identifies the needs and. values of project stakeholders, and develops appropriate design solutions to satisfy them.