GitLab is a DevOps platform that provides version control, CI/CD pipelines, and collaborative tools for software development.Important GitLab terminologies include repository, branch, merge request, pipeline, runner, jobs, artifacts, tags, groups, and issues.To get started with GitLab, you can create an account, create a new project, clone the repository, add files and push them.An example GitLab workflow involves creating a feature branch, making changes, opening a merge request, and setting up a CI/CD pipeline.