食券

1. Origins, structure, and basic meaning

• Structure: Written 食券 and read しょっけん, it is a ticket showing payment or entitlement for a particular meal.
• Basic usage: It is bought from a machine at the entrance and handed to staff when ordering.

2. Common pitfalls and similar expressions

• Exchange token rather than receipt
  • Its purpose is to claim the meal, not merely document that a transaction occurred.