1. A situation in which one is watched by numerous others: This could be described as being under scrutiny or being in the spotlight. It refers to the feeling of being observed, often leading to anxiety.

2. A problem that presents one with a difficult choice: This is known as a dilemma. In a dilemma, you must choose between two or more conflicting options, each with its own set of potential consequences.

3. A deadline or time limit placed upon a task: This is referred to as a time constraint. It indicates that there is a specific period within which a task must be completed, creating pressure to finish it on time.

4. An assignment given by the leader of a group: This can be called a directive or task assignment. It involves instructions or tasks assigned to individuals within a group by a leader to achieve specific goals.

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