i want to know how to design a blog with menu bars, so that all posts will not be in the home page. how to create more pages.
I think you should be change with another template for that purpose. Its very simple. Usually, there are available template as you wish, such as magazine template.
There are a lots of Predefined menu's for the Blog are available in the Market If you want to use it on your blog then visit my blog I will upload it within few days.↓
You can create menu by adding pages in you post or go for specific category pages .like bay7.com is based on wordpress theme.
What Blog platform are you using? if it's Blogger you can check out the guide here: [h=3]How to Add Tab Menu at the Top of the Page in Blogger (Blogspot) [/h]