The following context is from a youtube video called Eyes Wide Shut - Red cloak unmasked !!! (film analysis)
"As it often is with Kubrick, clues are given mostly visually rather than in straight dialogue"
straight definitions 1. Direct and candid: a straight answer.(source thefreedictionary) 2. not deviating from an indicated pattern writes straight humor a straight-A student(source Merriam Webster)
Are any of these applicable here?