POM or Project Object Model is regarded as the fundamental unit of work in Maven. The pom.xml file is a file in Maven, contains information required by Maven in building projects, build directory, source directory, dependencies, test source directory, plugins, etc. If you wish to learn fundamentals about Maven, and how it is used then check out the following YouTube video on What is Maven? And if you are looking for a good course on DevOps, check out the DevOps training course from Intellipaat.