Question

How do the following stage directions affect the audience's understanding of Otto's character?

Otto looks around to see the stage is empty. He wears a stern expression, pacing back and forth. From time to time, he looks at the clock on the wall as the minutes tick away.

The stage directions reveal that Otto is impatient and frustrated.
The stage directions reveal that Otto is impatient and frustrated.

The stage directions contain dialogue between Otto and others.
The stage directions contain dialogue between Otto and others.

The stage directions indicate which props Otto will be using.
The stage directions indicate which props Otto will be using.

The stage directions show a monologue to express Otto's feelings.

The stage directions do not show a monologue to express Otto's feelings.