mer·chan·dis·ing/ˈmərCHənˌdīziNG/Noun: The activity of promoting the sale of goods. It goes without saying that the act of merchandising and promoting should include putting your best material forward (in the web world, that would be "the best optimized, highest converting").
And with that, this is the product details page for American Apparel's basic t-shirt (which I imagine is their best selling product... and is actually a great t-shirt..... you just wouldn't know from this view):