| Object-oriented - | (Software Engineering) an approach to software development that makes use of a classification approach and packages data and processing together |
| Objects - | (Software Engineering) a named element of the problem domain containing data and processing |
| Pair programming - | (Software Engineering) two people work together (side-by-side) to design and construct a software component, providing real-time problem solving and quality control. |
| Paper prototype - | (Software Engineering) a paper representation of an application (e.g., story boards that describe the interaction at a human interface) |
| Paradigms - | (Software Engineering) the process model |
| Patterns - | (Software Engineering) a stylized description or characterization of a software problem or capability and/or the manner in which a solution to the problem or capability may be characterized, applied, and implemented |
| PDL - | (Software Engineering) program design language; a combination of natural language with programming language-like constructs |
| Procedural design - | (Software Engineering) creates representations of algorithmic detail within a module |
| Process framework - | (Software Engineering) a relatively small set of fundamental software engineering activities that define a software process |
| Processing narrative - | (Software Engineering) a natural language description of a model (program component) |