A simple way to define the link building
 

one of the most important aspects of search engine optimization is link building. There is a lot of interpretation and its definition can be found in the online world today. Now, it is the true definition of? Simply put together a set of links, it will be possible to achieve better visibility into the process of building your website on the Internet. When you completely linked to your website quickly popular belief, you can exchange with other webmasters to link the presence and increase your site's customers have found the opportunity. It will be worth your time to explore the links to the exchange.

Link-building is the process in which you use some methods to get links on other sites to your website in this method there are a lot of way like, forums posting, social bookmarking, social media, directories submission, articles posting, link wheel, guest posting etc.

Simply to create dofollow backlinks pointing to the URL(s) you want to rank. In SEO, link building is the most important aspect. You can do it by several ways but remember where ever you are creating backlinks that source should be dofollow otherwise that backlink won't be counted thus of no use. However, you can still have some referral traffic from nofollow websites.

very well said.

Link building is an activity of acquiring backlinks from other sites. The backlinks from reputed sites are considered as quality backlinks to your site, which increases traffic to your site.

link building is the process of increase your website popularity or rank.

It is in point of fact a nice and helpful post of information.