Bullets are appropriate for less formal writing. Bullets in formal writing make your work appear concise and packed. If you are writing about a concept or a description, it is best to break the ideas into different paragraphs. This will help the reader understand your message better. As mentioned earlier, bullets can be used in place of subheads. However, using bullets in place of subheads may not always be effective because the reader may miss out on important information if done so randomly. It is therefore recommended that you use subheads along with bullets when writing a formal document. In conclusion, bullets are useful tools for making your writing more concise and easy to read. You can use them in place of subheads or breaks between paragraphs.