# P

- [PaaS (Platform as a Service)](/glossary/p/paas-platform-as-a-service.md)
- [Payload](/glossary/p/payload.md): The part of transmitted data that is the actual intended message.
- [Performance Testing](/glossary/p/performance-testing.md): The process of determining the speed, responsiveness, and stability of a computer, network, software program, or device under a workload.
- [Plugin](/glossary/p/plugin.md): A software component that adds a specific feature to an existing computer program.
- [Private Cloud](/glossary/p/private-cloud.md): A cloud computing model that offers a proprietary environment dedicated to a single business entity.
- [Public Cloud](/glossary/p/public-cloud.md): A cloud computing model that provides services over the public internet and shared across organizations.
- [Pull Request](/glossary/p/pull-request.md): A method of submitting contributions to a development project. It is a request for the project maintainer to pull a branch from a repository, review it, and merge it into the main codebase.