What is the real meaning of Link Building?

What is the real meaning of Link Building?

Link Building or link building is a business process from the webmaster or owner of the web blog to get a good link link as much as possible from other websites on the internet to the website's webmaster.

Is Link Building is so important for a website?

Almost all webmasters SEO professionals say, that links other links from a website on the internet to your website is a very important part of SEO tricks to increase traffic link, the more special is popular in building links (link popularity) and page rank. Building the link will be difficult if you do not understand about how to build links on the internet.