User blog comment:NOS Sterling/Sonic Movie has been Comfirmed/@comment-24026943-20140702194852/@comment-24026943-20140906005208

"He doesn't tell the writer to put explosives in the movie, he tells the SFX guys to add in the explosives."

You corrected me they're.

"​The writer is the one who comes up with the idea, the director is the one who gives it life. It a similar relationship between a writer and an artist when making comics."

Still, the director has to approve of the script, that way the movie reflects on how the director want's it, so if the movie is good is based on the director.