This is the default template on your site. That means that when
you create a new navigation term, it will automatically use this
template. This template will work for 90% of the content of your
site.
The “Post” post type is the default post type on your site. The
majority of your content will most likely use the “Post” post
type. Use this post type unless your content fits into a more
specific category that fits in with another type.
This post goes through examples of how to use the advanced
classes library to display images, block quotes, and other
content different. The example text is taken from Kafka’s
Metamorphosis.
Photo galleries are recommended when images are the main content
of your post. When you use the photo gallery post type, the
images added to the post will automatically display in a gallery
format.