How can one differentiate between "request" (طلب) and "command" (أمر), with illustrative examples?

Obeying one's parents is obligatory in what is good and permissible. It is not tied to the wording of their request, but rather to their need and benefit, the extent of harm they might incur from the child's disobedience, and whether the child would be harmed by fulfilling their request. It is advisable to avoid excessive scrutiny and over-questioning, as this can lead to obsessive doubts.