When you've created some or all of your email, you can move everything around as necessary. Use the handles found in the upper left corner of where the content is situated. Clicking and dragging these handles will allow you to rearrange your email layout, in case you want to re-prioritise certain items.
And when your email has lots of content, a quick and easy way to navigate and help understand your layout is by using the navigation bar found at the very bottom of the screen, shown below.
Each one of these coloured items is clickable, and will select whichever you choose. It's a good way to find a particular setting you might need, for example increasing the margin on your Row.
In the next article we will discuss storing, finding and using images for your email. Click here to read that