A proofreader is a professional who reviews text to correct errors in punctuation, grammar, and spelling. Proofreaders will fix individual word and sentence issues within a piece of writing. Once content has been proofread, it should not contain typos, spelling mistakes, incorrect punctuation, or grammar issues.

A style guide is a set of standards designed to help writers and other creatives compose, format, and design documents and other content meet the requirements of an organization's brand. Style guides are often mandatory, meaning that their instructions must be followed before a piece of content can be published.

Website copy editing is the process of reviewing and rewriting the words and language used on your business, personal, or other website. Website copy editing focuses on eliminating errors, improving clarity and readability, and editing language so it’s suitable for an online audience.