A valance is a short curtain that hangs at the top of your curtains. These are an optional decorative addition. Valances are a great way to complete a look.
Curtain liners are another optional add-on, and they're used to provide an additional level of versatility to your curtain, effectively turning it into a lined curtain.
Sheer are Thin and semi-transparent fabrics are the basis of sheer curtains. These curtains are provide the most daylight in the room when the curtain is closed.
Semi-Opaque curtains are like a blend between sheer curtains and blackout curtains. They allow some daylight into the room when they're closed. They provide privacy than sheer curtains.
Blackout curtains allow the least amount of light to enter a room when they're closed. These curtains are made of heavier weight materials and often have built-in linings.
Rod pocket curtains feature a pocket that's sewn into the top of the curtain. To hang these curtains, you feed the curtain rod through the curtain and out the other side of the pocket.