After is a word that tells you something comes later in time or follows something else. When your teacher says “We'll have recess after math class,” she means math comes first, then recess. When you read about events after the Civil War, you're learning about what happened once that war ended.

The word can describe position too. If you're standing after your friend in line, you're behind them. The sentence that comes after this one is the next one you'll read.

After often appears in phrases that show cause and effect: “After studying hard, she aced the test” means the studying came first and led to success. When someone says “After all that work, we finally finished,” they're connecting effort to achievement.

You'll also hear after in expressions like “day after day” (meaning repeatedly, every single day) or “after all” (which introduces a reason or reminder, as in “We should thank her; after all, she helped us”).

The opposite of after is before: before means earlier, after means later. Understanding this sequence helps you follow stories, instructions, and the order of events in history.