"Design tips" refers to helpful and practical advice or suggestions to improve the visual appearance or functionality of something, such as a website, graphic, or product.
Here are some additional book design tips for your cover. (diggypod.com)
By using these five simple eBook cover design tips, you should see an increase in sales for your eBook. (artfulpublications.com)
Whether you're creating your resume for the first time or in the process of revising it, you need to keep the following design tips in mind. (monster.com)