Before, before means earlier than or in front of in time. I brushed my teeth before I went to bed. Large. Large means big in size or amount. The elephant is very large compared to a cat. But, all. All means the whole quantity or extent of a particular group or thing. She bought all the apples at the store. Million. A million is a number that equals 1000,000s, or 1 million. The city has a population of over a million people. Most. Must is used to show that something is necessary or very important. You must wear a seat belt for safety while driving.