Neopoligen is designed with customization at it's core. The ability to create new sections and spans is fundamental. In fact, there's no difference between the sections and spans that come with Neopoligen and custom ones you create. They're all built the same way.

The sections and spans that come built-in are there so you can make sites without having to build anything yourself. You can take them pretty far.

But, if you want to dig in, you can make custom sections designed for anything you want. For example, here's a custom "book" section: