Does Draw the Curtains Mean Open or Close?

"to draw the curtains" can only mean "to close them, to move them together". Otherwise the metaphor "to draw the curtains on something" would not mean what it does. It's the metaphorical meaning of the phrase.

What does it mean to draw the curtains?

1. To open a curtain in order to see or reveal what is behind it. Please draw the curtain so we can get some more sunlight in here. 2. To conceal something; to keep something a secret.

What does it mean to draw the curtains down?

Block or conceal something. For example, Let's draw the curtain over this matter; no one needs to know more.