The "blog details" section allows you to input some general information concerning your blog:
Blog Title: this is the main title of your blog.
Description: a short description of the purpose or theme of your blog.
Time Zone: so that blog entries are time stamped with times that are the same as the time zone you are in, select a GMT offset. For example, Eastern Standard Time (North America) is GMT -5:00.
Posts per page: the number of posts which will appear at one time on the blog. For example, if you set this drop-down to "10", then your latest post, and the previous 9 posts, will be featured on the first page. Older posts will be displayed in batches of 10 on other pages.
Comments: you can set your blog to automatically add comments from viewers on your blog, or require all comments to be viewed and approved by you before they appear on your blog. For the latter, an interface is provided in this application to preview and approve, edit, or reject comments posted by visitors.
Remember to click "apply" to save any changes you have made.