Blog Posting means creating a blog on blogs site like wordpress.com and then keep posting some articles which is related to your products called blog posts into then on regular basis.
I think that Blog Posting means creating a blog on blogs site like wordpress.com and then keep posting some articles called blog posts into then on regular basis. Put link to your website in the article by hyperlinking a keyword for your site into that article. But keep in mind that you have to update your blog on as frequent basis as much you can so that google start crawling it on daily basis after some time as google like the pages whose contents are updated regularly.