In trademark law these are called "classes".
If I have a trademark for McDonalds that covers navigation equipment, then the hamburger company can't sue me using their trademark which covers hamburgers. The coverage is scoped.
Now!
Observe the list of classes -- 37, 38, 41 and 42.
Apple is essentially registering "startup" to cover devices, their maintenance, development and training.
Not all uses of "startup" ever. Just those uses attached to what Apple produces.