Text decoration refers to the visual styling applied to text in digital content, enhancing its appearance and readability. Common forms of text decoration include underline, overline, line-through, and bold. These styles can emphasize important information or create a specific aesthetic in web design and graphic layouts. In web development, text decoration is often controlled using CSS (Cascading Style Sheets). Developers can easily apply these styles to text elements, allowing for customization of how text appears on a webpage. This helps improve user experience by guiding attention and conveying meaning through visual cues.