Jenkins Pipeline is a powerful tool for automating complex workflows, offering two primary methods for creating pipelines: Scripted and Declarative. While Scripted Pipelines are written in Groovy and require programming knowledge, Declarative Pipelines offer a simplified syntax with predefined constructs, making them more accessible and requiring no prior programming skills. The Declarative approach, introduced in Jenkins 2.0, allows for creating pipelines through a Jenkinsfile, which should be stored alongside the project's source code in a Git repository. The Jenkinsfile supports various directives and blocks, such as stages, steps, and agent specifications, facilitating the structuring of pipeline code. Declarative Pipelines are recommended due to their ease of use, feature richness, and ability to validate syntax before execution, reducing runtime errors. Key elements include the use of environment variables, parallel execution of stages, and post-build actions to handle pipeline outcomes. Additionally, Jenkins supports triggers for scheduled builds and can integrate with tools like Maven, enhancing the flexibility and scalability of CI/CD processes.