What is backlinks?

[pinnacleweb]

A back link is an inward link to your site that may or may not be reciprocated with an outward link back.

[perth]

A back link is an inward link to your site that may or may not be reciprocated with an outward link back. If page A links to page B then a back link would be a link which goes from page B back to page A.

[jiyaalbert]

Back links are those links which are coming from other sites to your website.

[Charlote123]

A back link is an inward link to your site that may or may not be reciprocated with an outward link back. If page A links to page B then a back link would be a link which goes from page B back to page A.

For example let’s consider you find an interesting article on web and you require the article to be displayed on your website hence you link the article to your website. Now your website acts as a back link to that article or to the URL where the article is originally located.

[anoopsh00]

A back link is an inward link to your site that may or may not be reciprocated with an outward link back.

[addisonben22]

If we are post our site link to another site then this link called back link of our site.
Or
A back link is a link of a page of website.