What does it mean when they use the reference of liter?
"litre" is the British way of writing "liter". The two mean
exactly the same thing and are pronounced the same but spelled
differently. There are 33.8 ounces in a liter. A liter is a measure
of volume, like a gallon, a quart, a pint, or an ounce. A 2-liter
bottle of soda contains two liters, or 67.6 ounces of soda.