This block allows the theme user to add feature items. The feature items block has a lot of different example customizer settings.
Within these setting you can choose to have Font Awesome features or upload an image to use for the feature. There are also text areas to add content above and below the feature items. You can also pick to show 1, 2, 3, 4, 6 feature items per row.
Check out the demo video to see all the functionality of this block.