if you want to create page that is hold your blog post, you can choose blog post list from template. we provide you several blog list layout, also another option to customize your blog layout.
may i know what is feature code? is that mean short code?
also as rai tell you previously, if you want to add sidebar widget, you can do like what he post above.
its will be easier for me if you can give me link on which page you referring to (on our demo). we may able to help you directly on your admin panel and recreate the page for you.