In Drupal, we use the terminology of entity, and we have bundles inside an entity. As part of the Drupal core functionality, we have content types, which is in fact an entity type and therefore the Post content type is a bundle.
So, now that we are familiar with some basic Drupal terminology, let's move on to creating our Post content type.
If you use the menu at the top and click on Manage | Structure | Content Types, you will be taken to the Admin page for Content types:
By default, we have two content types in a standard Drupal installation (Basic page and Article). Article is pretty much a Post content type; however, for this, we shall ignore this and create our own content type entirely from scratch.
To create a new content type, click on + Add content type...
