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.
B2 a piece of planned work or an activity that is finished over a period of time and intended to achieve a particular purpose: the Kings Cross housing project. a scientific research project. Her latest project is a film based on the life of a 19th-century music hall star. My next project is decorating the kitchen. A2 a study of a particular subject done over a period of time, especially by students: He's doing a class project on pollution.