The order is to add to the page to one of the blog pages. The site has a theme prepared specifically for her and runs on Custom Fields. Also, just creating a subpage is not enough.
It is necessary to create a sub-page "blog", to allow publishing entries there. The sub-page should match the rest of the sub-pages on the site, it should also display a list of published articles (in the form of a grid/list with a thumbnail, title and subject line).