Importance of Back Links In SEO

HI
I want to know what is the importance of Back links in SEO and how to create it.
I want to get for my site http://pscbookmarking.com/ can anyone help me

HI,

you can create back links profile very easy there are some points to explain,

1 - you can registered on forums and fill profile and post your link there

2 - registered social bookmarking sites and fill profile portion also

3 - register on words press and blogspot sites and create profile.

In this why you can create lots of profile back links.

Share valuable and quality contents about your website in high page rank sites, work on standard on page optimization techniques and work on all latest link building techniques. By these methods you can earn more rank to your website. You need to get quality backlinks from high page rank sites to get higher ranking.