As the exercise describes, the process or moment in which a solution to a hard problem comes to us is called insight. Like it happened to Jason, it may come to us at a later moment when we are meant to relax or do another thing. This is exactly an insight; to be able to see or understand something clearly, related with our intuition. Therefore, after Jason got stuck on a math problem he decided to have dinner and the moment of insight came to him when he was not thinking of that.
The play stage is from age 2 to 6 and in this stage children begin role-playing and play long games pretending to be the people around them like their parents with rules they come up with like in this example where Katrina and Sharon play washing and ironing clothes like their mothers do.
Disabling symptoms such as recurrent and intrusive distressing memories or dreams related to the trauma that develop within three days to a month after exposure to a traumatic event are indicators of acute stress disorder (ASD)