Earlier quoted context omitted.
To my recollection, not the old fashioned kind where you send in a check/money order for the annual subscription.
No, I mean they recur monthly for the prepaid duration. The SQLite online is simply 1 term of access. There's no recurrence of any kind.
Emphasis mine, as long as the item is periodic in nature it’s a subscription. The SQLite online membership has a term of access so it’s a subscription.
3: an arrangement for providing, receiving, or making use of something of a continuing or periodic nature especially on a prepayment plan: such as
a: a purchase by prepayment for a certain number of regular deliveries of something (such as issues of a periodical) or for a certain period of access to or use of something (such as an online service)
b: application to purchase securities of a new issue
c: a method of offering or presenting a series of public performances d (British): membership dues