Last year consumers spent $861.1 billion online stores in the U.S. – up 44.0% year-over-year (YoY). eCommerce hasn't soared this dramatically for at least two decades. With shoppers increasingly making purchases from mobile devices, web browsers, and tablets, it's essential that you know the right lingo. In this fast-changing space, the latest vocabulary gives you a view into what's trending now, so you stay competitive. These top 52 eCommerce terms will help your online business succeed whether you're selling through your own eCommerce site or marketplaces (e.g. Amazon, Etsy).

Check out what you must know with our eCommerce glossary: