This refers to a strong request or an insistence on obtaining something, often used in contexts where something is being asked for in a manner that implies necessity or urgency.

This meaning relates to a formal request, often in a governmental or military context, where supplies or resources are officially requisitioned or taken for use.

This refers to something that is necessary or mandatory, often used in contexts such as job descriptions or project criteria.

This meaning conveys a wish or longing for something, often used in more personal or emotional contexts.