To better understand the entire structure of WordPress and the features behind wordpress web hosting, its important to know the three main parts that comprises the makeup of this open source blog publishing tool. These are the WordPress system, the plugins, as well as the templates.
The WordPress backend system is actually the skeleton of your entire hosting. Its what allows your templates and plugins to fit in. Basically, when you sign up for WordPress, everything that youre using to work with (i.e. the default control panel, the settings options) is what makes up the backend system.
Templates, on the other hand, handle the external appearance of your blog. Its what you put on the backend system so that it looks the way you want it. On the other hand, plugins are codes that provide additional functions to your wordpress web hosting. Theyre like useful accessories to the entire blog.
These three parts overall affects your wordpress hosting.