URL submission :
A request to a search engine using online forms that a URL be indexed or it's a act of submitting a website to the search engines. write URL submission in Google . you will find some free link . go there and submit your site URL . you can also submit it by various site through software(need to purchase) . Ask me for best software .
Here need to remember visitors from all over world search content basically from google , bing , yahoo , aol , ask .com
From all of this Google have 65 % share , so it's very important to indexed your site in Google . need to also know that American people search through AOL.Com or by yahoo or Bing so these two also very important . on the other hand Baidu.com from china share highest portion from search engine in china ..so you also need to submit your link in Baidu .
HERE IS THE LIST OF SOME SEARCH ENGINE AND SOME FREE SOFTWARE WHICH WILL SUBMIT YOUR URL TO VARIOUS SEARCH ENGINE .1 . www.submitexpress.com/free-submission.html