Retail merchandising is necessary for retailers to be able to compete with online shopping sites. And yet, a lot of retailers would be hard-pressed to answer the question, what is retail merchandising? Retail merchandising covers everything from how you visually arrange your merchandise to the traffic patterns in your stores, how you display items to promote add-on sales, to signage, and for apparel retailers – the power of the fitting room. It is all behind the scenes data collection that proves what is effective and what is not.