An editor's job involves a variety of tasks, including rewriting, redaction, and redoing. Rewriting involves making changes to existing text to improve its clarity, accuracy, or style. Redaction is the process of removing sensitive information from a document before it is released to the public. Redoing involves making changes to a document to correct errors or improve its quality. All of these tasks are essential for an editor to ensure that the final product meets the standards of the publication.