I assume you mean the curtains on the Ark (known to Ashkenazi Jews - those from North and Eastern Europe - as the Aron Kodesh and to the Sephardi - Jews from Spain, Portugal and North Africa - as the Hekhal) used to contain the Sefer Torah, as any other curtains in a synagogue are likely to be practical and of little significance. These curtains are known as parochet (also spelled paroches or parokhet. Most Arks are also fitted with doors - in Ashkenazi and Mizrahi (Jews from the Middle East) synagogues, the curtains will be outside the doors while in Sephardi synagogues they'll be inside.
Go to synagogue
It's called a synagogue congregation.
Curtains are just called curtains because the man who named them was called Curt Ains so he wanted to name them after his name! He loved them so much to do this. lol.
There is no special place in a synagogue called a "meeting place"
There is no special word for the steps in a synagogue. You may be thinking of the raised platform in the front or center of the chapel which is called a bima.
Siddurim.
The custom of a groom being called to the Torah in synagogue on the Sabbath before his wedding is called an aufruf.
The curtains put on a 4 poster bed are called canopy curtains. You can purchase them at most major department stores, home decor stores, or online retailers that sell bedding and curtains. Be sure to measure your bed's dimensions and choose curtains that fit accordingly.
runners
One of them is called a "synagogue".
A synagogue is a Jewish house of worship. It is also sometimes called a temple. Instead of an altar the synagogue has a Bimah. A typical synagogue will offer Hebrew classes and is also used for social gatherings.
its actually called the berchard