Starbucks has an unusual way of labelling the different sizes of drinks it offers. Unlike other brands, it doesn't call them ...

Even the most casual Starbucks customer is most likely familiar with its three main cup sizes: Tall (12 ounces), Grande (16 ounces), and Venti (20 ounces). But, depending on your drink order ...

A cup of Starbucks coffee on a wooden table in front of a blurred background. - Cloudy Design/Shutterstock ...