I am sorry to say I don't understand this question? Please can you try and rephrase what you are asking to clarify...
Classifieds are mostly meant for local products and services and bookmarking is where you bookmark interesting stuff you come across the web. Example of a classifieds site would be Craigslist.org and as for bookmarking site, you can try the reddit.com.
Bookmarking is saving the links of quality content or sites for later reference or because it best explains something. Social bookmarking is a typical social media site where you follow others bookmarks or a category of bookmarks and they follow you and your bookmarks for reference. Classifieds are more of a local ads where in you put your site in a relevant category to get the needed visibility.
Social bookmarking is a SEO off page technique that helps web users to store, organize, search, and manage bookmarks of their web pages on the Internet by submitting tags or keywords on social bookmarking sites such as Digg or delicious, etc..It helps to build a web presence on internet and also helpful in promoting a business online.. On the other hand, classified submissions are cheap and effective way that helps webmaster to display the requirements to outside world..
Classifieds refers to publishing the advertisement of the product on classifieds sites,this helps to get buyers to the product and services which you want to sell.On the other hand Bookmarking refers to the share, bookmarks the webpages on different websites,this helps us to get more visitors on the website.
Classifieds -Where you can write a small description about your products and post it to different classified site to generate a direct business through customers while on the other hand social bookmarking is generally done for indexing inner pages of you website which also provide backlinks for your website.