ory is registered with a particular key.
For example, the index template is registered with the key <code>template:index</code>,
and the application route is registered with the key <code>route:application</code>.</p>
<p>Registration keys have two segments split by a colon (<code>:</code>).
The first segment 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 ty