Help me with Backlink

Hello all respected members. i want your little help i hope you guys will help me.

I want to Know what Is Backlink how to use it I have auto approve blog links

but i don't know how to submit manually.

i already used search button but didn't help me thats why im making new thread. i hope any one help me

A back link is a link that links back to your website.

To manually submit to a blog? just go there and write a comment.

Glass23 said:

A back link is a link that links back to your website.

To manually submit to a blog? just go there and write a comment.

Click to expand...

if i write comment then how my blog backlinked to it can you please explain more