1. Add Template
To import any layout in any section (About, Dinner Chairs section etc.), you have to create a template of that layout first. You can create that layout in template section.
Once we click on Add template, this screen appears where you can create layouts using very easy to use builders
You can also use normal WordPress editor if you want just a simple text/image layout
Then you can add video/image and text in your simple layout
Once you are done with all updates, click blue Publish button on right side of the page to save your template.
2. All Template
Going to All Templates, you can see all you saved templates here. You can edit any template by clicking on it. templates.