Headings are used to highlight titles in sections of content for your site. In the drop down from the tool bar above the page or post that is being edited, you'll see options for Paragraph (which is default, Heading 1, Heading 2, Heading 3, Heading 4, Heading 5, and Heading 6. You are able to highlight any text within your post or page and choose one of these heading options. Headings are primarily used for SEO purposes, and not necessarily for aesthetic reasons. See this article from Yoast ... Read More about How do headings work?
You are able to choose the page layout you'd like to have across your site either to cover the entire site, or you can choose on a per page basis. The layout options you have available are: Content/Sidebar - example Sidebar/Content - example Full Width Content - example Choose for your entire site In order to choose the layout option you'd like that covers the entirety of your site, you'll navigate to GENESIS > THEME SETTINGS. Once there you'll scroll down to the DEFAULT LAYOUT box ... Read More about How to adjust the post/page layout
Blockquote Blockquotes are used to highlight quotes or specific aspects of your content are are styled to look different. This is a blockquote example. To add a blockquote to your own post or page, you'll highlight your text and then use the icon on the toolbar when you're editing a post that looks like a quote. Ordered List You can also add Ordered List to your posts/pages by highlighting your text and then using the icon on the toolbar that looks like 3 lines with little numbers next to it. ... Read More about Post Content Features
Post If you're going to have a blog, you'll mostly be working in the Posts area of your WordPress dashboard. Posts are your actual blog posts. View them as articles in a newspaper. When you publish a new one, the last one gets pushed down and the new one is at the top and the most recent. Posts can also be filed into Categories and Tags to help sort through your blog posts. After many years of blogging you'll likely have hundreds of posts so having an organized filed ... Read More about What is the difference between a page and a post?
Category Categories are meant for organizing your posts like a filing system. They are typically broad terms like "Recipes" or "DIY Projects". These are your general topics that you write about. Typically you'll have a few of these.. maybe 10 of your primary categories. Don't get to specific with your Category titles like "ground beef".. that is what tags are for below. You can also do sub-categories where you have categories listed under a primary category. An example of this is "Recipes > ... Read More about What is the difference between a category and a tag?