Pages in wordpress are normally used for static content. It will not be updated once it is created.
For creating a page, select “Pages” and then select “Add New” and click on it.
Now you get a new page. You need to enter the title for the page and add the contents for the page.
After creating page click on “Publish” button.
You can insert “conent image” and “featured image” similarly like the one you did in the post.
Click on “How to insert content image and featured image” to know how it is done.