Open book testing refers to students being able to use resources, such as their textbooks during tests. A closed book policy refers to testing whereby students take tests without access to external resources. It is used in the vast majority of international examination systems around the world (e.g. A-Level exams, AP exams, IB exams)

Gentle parenting refers to a style of parenting characterised by compassion and a focus on enforcing age-appropriate boundaries. In contrast, traditional parenting styles focus on punishment and reward as a way to incentivise compliance and behaviour.

In a world with different universes in the multiverse, a 'canon event' is a tragedy that is fated to happen. Straying away from the 'canon event' will destroy said universe, while other universes may continue to exist. You have been informed of an upcoming canon event that will kill all your loved ones.