| Milestones - | (Software Engineering) a point in time that is used to indicate progress during a project |
| Modular design - | (Software Engineering) a design approach that stresses modularity |
| Modularity - | (Software Engineering) an attribute of a design that leads to the creation of high quality program components |
| Navigation analysis - | (Software Engineering) a Web engineering action that establishes how a user will navigate between various elements (e.g., content, functions) of a WebApp |
| Object-oriented - | (Software Engineering) an approach to software development that makes use of a classification approach and packages data and processing together |
| Object-oriented analysis (OOA) - | (Software Engineering) a technique for defined classes of objects, their relationships and basic structure |
| Object-oriented design (OOD) - | (Software Engineering) a technique for translating the OOA model into an implementation model |
| Objects - | (Software Engineering) a named element of the problem domain containing data and processing |
| OCL (Object Constraint Language) - | (Software Engineering) a supplement to UML, this formal language allows a software engineer to construct unambiguous statements about the characteristics of various design model elements |
| Outsourcing - | (Software Engineering) contracting software work to a third party |