Answer:
It's the setting.
Explanation:
The actor's name is seen with a colon after it, CHARACTER:
The setting is described in brackets, [Sunny afternoon]
The stage directions are in parenthesis, (stage left)
The dialogue is just written after the character with colon, CHARACTER: Good Morning Sir.
A
CAUSE I'M BUILT DIFFERENT
a
D
Because it meaning is the most logical
Answer: are there any specific symbols to choose from ?