In the project settings you can activate classesrelevant to your project or alternatively deactivate classes you don't need. In addition, you can directly access the entitiy's ontology information on OntoME.
You cannot find the class you are looking for?
Learn here how you can activate new profiles in order to access additional classes.
Hint: In this video we also explain how you can access ontology info on the level of each entity page.