How do we know it would open or close the curtain if we said 'draw the curtain', or 'draw back the curtain' means to open it, and 'draw forward the curtain” means
A Guide to Thermal Interlining - Blinds 2go
What is the meaning of "The curtains have been pulled shut"? - Question about English (UK) | HiNative
Kirsch Drapery Hardware That Open And Close Drapes Are Called Traverse Rods