To revise means to carefully review and improve something you've written or created. When you revise an essay, you rethink your ideas, reorganize paragraphs, strengthen your arguments, and make your writing clearer and more effective, going well beyond fixing spelling mistakes.

Revision is different from editing. Editing focuses on correctness: grammar, punctuation, and spelling. Revision focuses on making your work better: Does this paragraph belong here? Is this example convincing? Could I explain this idea more clearly? A student might revise a story by adding more descriptive details, cutting a confusing section, or rewriting the ending to make it more satisfying.

The word can also mean changing your opinion or plan based on new information. A scientist might revise her theory after conducting new experiments. A family might revise their vacation plans when the weather forecast changes. In this sense, revision shows flexibility and wisdom: you're willing to improve your thinking when you learn something new.

Good revision takes effort and honesty. You have to look critically at your own work and ask, “How can I make this better?” Professional writers revise their work many times before publishing it. The willingness to revise, whether it's your writing or your thinking, can separate adequate work from excellent work.