Here’s a concise breakdown of — which is essentially a variation of standard industry screenwriting format, but with specific defaults and behaviors unique to the Celtx application (desktop, web, or mobile). 1. Core Formatting Principles (Same as Standard Screenplay Format) Celtx automatically enforces these industry rules:

JULIE (30s, tired) wraps a blanket around her shoulders.

If you're exporting to PDF for submission, always use — not Print.

JULIE (quietly) I know what I said. Mark moves toward the door.

MARK Then go.

MARK You said you'd be gone by now.