Anchor term explained
The anchor text is the link text that is located between the opening and closing tags <a> and </a>.
An example of an anchor:
<a href="https://seoheronews.com">SEO Hero New York</a>
In the above example the anchor text is the phrase SEO Hero New York. Text of links are important in SEO, as it is one of the factors that affect the ranking of website for specific keywords (contained in the anchor).
Anchors it is advisable to dilute different thematic text inside the links. All the anchors must be different in the link graph for better affect in the SERP. Also the text links it is recommended to surround about a thematic text.