Anchor text is hyperlinked text that appears in website navigation, on a web page, or in an app or online file, such as a PDF.
In SEO, anchor text helps search engines understand the topic and context of the pages being linked to. As a result, search engines can better assess the relevance of those pages for different keyword queries.
Anchor text is a recognized ranking factor.
Learn more in What is Anchor Text and How Does it Impact Your SEO?