The basics of how to structure your data by keeping different versions of your data will be explained. We will go deeper into the technique of semantic, manual versioning. You’ll learn how to document the changes in your data in a semantic way using a changelog file. We will also handle some basic principles of structuring and documenting your data: folder structure and file naming conventions. After this session, you’ll learn how to make your data well-structured and documented. This makes it easier for you and your future self and others to understand your data.