In drama, what is one purpose of stage directions? A. to tell actors how to move and speak

B. to identify which character is speaking

C. to show what the characters say

D. to tell the audience how to react

in the script of a play that tell actors how to enter, where to stand, when to move, and  they  can also include instructions about lighting, scenery, and sound effects, but their main purpose is to guide actors through their movements onstage.    I THINK THE AWNSER IS A

i have a basic answer but if you want a more in depth