Each main category contains several subcategories. Submit your website(s) to the most relevant category or subcategory.
Backlinks, also called "inbound links" or "incoming links," are created when one website links to another. The link to an external website is called a backlink.
Backlinks are especially valuable for SEO because they represent a "vote of confidence" from one site to another.
In essence, backlinks to your website are a signal to search engines that others vouch for your content. If many sites link to the same webpage or website, search engines can infer that content is worth linking to, and therefore also worth surfacing on a SERP. So, earning these backlinks can have a positive effect on a site's ranking position or search visibility.
Search Engines ranks a web page Based content, Backlinks, anchor text, alt tags and some other factors. Directory Submission is the part of Search Engine Optimization (SEO) activity and helps in gaining more popularity, ranking higher in search results. Submitting a website to high PR directory submission sites improves the ranking of a website and gets more traffic.