lacking in movement, action, or changeThe meaning of static is lack of movement in terms of blogger blog the static will page will remain same ever there will be no change if you come again and again on that page.
Blogger static page will help you to put some especial information about the blogger or website. On blogger it's easy to create static pages like "About Me" , "Contact Us", "Privacy and Policy" etc... pages. These pages are also known as stand alone pages which are linked from your blog.
Bit more about static pages, On blogger static pages doesn't have any sort of level to categorize them.
And these page also not indexed as archive pages.