Link Building is a process of getting the hyperlink from other site or other pages of our site to our page. A hyperlink is providing the chance for the user to navigate from one page to another page, indicating the user they might have related content on the hyperlinked pages too.
Link Building is one of the major aspects of Search Engine Optimationbecause Search Engine like Google, Yahoo, Bing uses the link to crawl the individual pages, to crawl the link in the single page and it will crawl the entire site. It is also another way to engage the user on the site.

Example of Link
Basics of Link :
Example: <a href=”https://www.example.com"> Text for link has to be added </a>
Anchor Tag <a>: Starting of the link is represented by the anchor tag. The anchor tag is to say the search engine; hyperlink is about to follow.
Link Reference: Hyperlink Referral(href) indicates the address to which anchor text is pointing out. The address should be inside the quotation. The address doesn’t need to be the web page always it can also be the link to image or a file. Sometimes address can also be “#” which means these are local links which take you to the same page or different section of the same page.

Engage user with relevant content by providing links to it
Anchor Text: Anchor Text is a text and only portion of the anchor tag which is seen to the user on the web page. When the user links to the anchor text(Text in which link is given), the link will open. These anchor text is usually formatted to indicate the user, it is clickable. The general indication of anchor text is, text in blue color text or underlined for the user convenience and to differentiate from other text.
Closing Tag </a>: This signals the search engine regarding the end of the link. This is just closure of the hyperlink tag.