When it comes to purchasing printer paper you may be tempted to pick any old bundle off the shelf—that is until you notice that each one is slightly different, and the outer packaging contains wording and numbers that you have no idea how to decipher. Just as it's important to choose the right print equipment, it's vital to choose the right type of paper to go in it, to enhance the look, feel and quality of printed materials. The question is: How do you differentiate one type of paper from another? The secret lies in understanding printer paper terminology and learning a number of common words and phrases to determine which type of paper is the right fit.