If you need to make a timeline graphic for a work ... And in case you're worried about having level lines, don't: The "Drawing" tool on Google Docs provides a lot of support in that respect ...

Let’s go over how to make columns in Google Docs. Creating columned content is ... The second option available is to add a line between your columns. Select this option and click Apply to ...

In other words, you have to repeat the same steps to create multiple columns in Google Docs. Following that, you can add line or change space between two paragraphs using the same method as above.