What is Social bookmarking submission?

What is Social bookmarking submission?

Social bookmark submission is an off-page optimization activity that enables you store your links on online bookmarking sites. Users save links to web pages that they like or want to share, using a social bookmarking site to store these links.

Popular social bookmarking websites

Twitter.
Pinterest.
Mix.
Dribble.
Pocket.
Digg.
Reddit.
Slashdot.

Hello,!!
As I know, social bookmarking means, the procedure for saving URLs or website important links on a carious social platform.

Hello friends,
Social bookmark submission is an off-page optimization activity that enables you store your links on online bookmarking sites. ... Thus, every such bookmark acts as a backlink that helps improve SEO of a site.

Social bookmark submission is an off-page optimization activity that enables you store your links on online bookmarking sites. These stored links are considered quality backlinks as in most of the bookmarking sites you can give a title to your URL and can also add related description and keywords.