these are not siltemap but known as Sitelinks. Google list few pages as sitelinks which it feels are quality one. their number may increase or decrease depending on Google
Sitemap is of two types: 1) HTML Sitemap. Go to http://www.iforem.com/Sitemap.htm to see the example 2) XML Sitemap. Go to http://www.iforem.com/Sitemap.xml to see the example
Sitemaps are navigational helpers provided on a website to help ensure efficient crawling of their pages by the search engines. They are of two types: XML sitemaps: XML sitemaps are intended for search engines and helps them index the appropriate pages from that website. HTML sitemaps:HTML sitemaps are intended for human beings and includes the entire pages of a website listed in the appropriate order with the necessary information tagged to it.
A listing of all sections of a website, often represented in a graphical, sometimes hierarchical way. Usually, each listing in a site map is a hyperlink. A page or structured group of pages which link to every user accessible page on a website, and hopefully improves site usability by clarifying the ... A visual or textually organized model of a website's pages that aid in site navigation.
it is page has links for your site pages , help search engine robots to crawl all your site page .. like index in box
A site map (or sitemap) is a representation of the architecture of a web site. It can be either a document in any form used as a planning tool for web design, or a web page that lists the pages on a web site, typically organized in hierarchical fashion. This helps visitors and search engine bots find pages on the site. If you need to have a sitemap generated try using xml-sitemaps.com
there are two types of sitemaps. One is a static html sitemap that you would put on your site so that people can find what they are searching for, basically you just set up a page with categories listing a link to each of your website pages. The second is a xml based sitemap which you submit to search engines so that your pages will get listed.