 is the framework factory type, and the second is the name of the particular factory.
Hence, the <code>index</code> template has the key <code>template:index</code>.
Ember has several built-in factory types, such as <code>service</code>, <code>route</code>, <code>template</code>, and <code>component</code>.</p>
<p>You can create your own factory type by simply registering a factory with the new type.
For example, to create a <code>user</code> type,
you'd simply register your factory with <code>application.r