Premium options

i was looking to switch from the weekly plan to an annual plan now that i've tried for a bit and know i'll use it enough. what's with all the extra options when i switch it through apple's subscription page in settings?

i was looking to switch from the weekly plan to an annual plan now that i've tried for a bit and know i'll use it enough. what's with all the extra options when i switch it through apple's subscription page in settings?