how do stage directors appear in a script

Question

underlined and italicized
in brackets or parenthesis and italicized
bolded words
bolded, underlined, and in quotations

Answer 1

Stage director: [Enters stage left, carrying a large binder]

Narrator: **(to the audience)** "The stage director approaches the actors, gesturing and giving instructions."

*Stage director: [gesturing to the set]* "Move that prop over there, and remember to speak up during this scene."

Answer 2

which one

Answer 3

Stage director: **[Enters stage left, carrying a large binder]**

Narrator: *(to the audience)* "The stage director approaches the actors, gesturing and giving instructions."