What does the term "ARIA landmark roles" signify?

The term "ARIA landmark roles" signifies specific roles that help assistive technologies identify different regions of a web page, which significantly enhances navigation for users with disabilities. These roles, such as banner, navigation, main, complementary, and contentinfo, provide semantic meaning to various sections of a page. When assistive technologies, like screen readers, encounter these roles, they can communicate the structure of the page to users more effectively. This allows those users to navigate directly to the areas of interest on the page without having to sift through all content, thereby improving accessibility and user experience.

Understanding ARIA (Accessible Rich Internet Applications) landmark roles is crucial in the development of accessible web content, ensuring that everyone, regardless of their ability, can access and utilize web resources effectively.