Added URL Shorterner description

README.md

@@ -1919,6 +1919,8 @@ _Related: [Task Management & To-do Lists](#task-management--to-do-lists), [Softw
 
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+[URL shortening](https://en.wikipedia.org/wiki/URL_shortening) is the action of shortening a [URL](https://en.wikipedia.org/wiki/Uniform_Resource_Locator) may be made substantially shorter and still direct to the required page.
+
 Before hosting one, please see [shortcomings](https://en.wikipedia.org/wiki/URL_shortening#Shortcomings) of URL shorteners.
 
 - [Blink](https://docs.blink.rest) - Easy-to-host, SSO-integrated, CDN-powered link shortener (+decoupled analytics) for teams. ([Source Code](https://github.com/JaneJeon/blink)) `AGPL-3.0` `Nodejs`