Custom CMS block displayed at the left sidebar on the Catalog Page. Put your own content here: text, html, images, media... whatever you like. There are many similar sample content placeholders across the store. All editable from admin panel.
Am busily trying to finish up work before packing to go on my trip to San Fran and Palm Springs, CA. So I’ll leave you with this AMAZING quote (thanks Paloma for posting) for now. Hoping to make a post later this afternoon.