PurchaseItemKind

What a line is a claim on. Stored rather than derived, because a league season entry and a season-scoped session line carry the same references.

Values

session
A claim on one session: a class spot, a showtime admission, a booked time.
product
A catalogue product: a pass, membership, gift card, or physical item.
service
A service-menu selection priced into an appointment.
entry
A league season entry — a team's or an individual's place in a division.