To create post you have to Go Posts => Add New.

You have to select posts formats what you can also see on screenshot below. We already did 5 posts formats: , , , , and .

Meta Option include Post options for the blog single post to insert your formatting items depend on selected format.

 Page options to control Page Layout for  Located individually within each post, the Page Options will only apply within the post that has them set.

You can also utilize all other Header Options, customize the page Title bar and more. All of these options are useful in different situations and allow you to customize the site to fit your needs.