For editing these boxes, go to the Appearance > Widgets menu and insert as many Text widgets as you like into "About Section boxes on homepage" widget area.
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To insert a picture or "Read more" button, you can use these shortcodes:
[image src="image URL"]
[more-button link="URL address"]READ MORE[/more-button]
If you do not want to display this area, go to the "Theme Options" panel. In "Homepage Settings", you can hide this area. Same way you can rename or hide the other areas, too.
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