To tabulate means to arrange information into a table or organized format with rows and columns, making it easier to read and compare. When you tabulate data, you're taking scattered information and putting it into neat boxes where patterns become clear.

Imagine your class did a survey about favorite ice cream flavors. If everyone just shouted their answers, you'd have chaos. But if you tabulate the results by writing each flavor in one column and counting votes in another, suddenly you can see that chocolate got 12 votes while vanilla got 8. Scientists tabulate their experimental results. Election workers tabulate votes to determine who won. Teachers might tabulate test scores to see how the whole class performed.

Before computers, people used machines called tabulators to count and organize data by punching holes in cards. Today, we use spreadsheet programs, but we're still doing the same thing: turning messy information into organized tables where the meaning jumps out at you. When you tabulate something, you're making sense of information by giving it structure.