they decorate their houses in whatever pattern they like
Christmas is a religious holiday celebrated by Christians so most Muslims would not celebrate it or decorate their houses for it.
There is only one Spanish country, it is called Spain. Certainly some people there decorate houses, as with anywhere else.
They decorate with carvings.
No. Synagogues are Jewish houses of worship. Muslims pray in a mosque.
Not all people decorate their houses for Christmas but most people put up lights on their house and some put decorations up in their yard.
Carvings
Interior decorator
with colorful colors
Yeah they did. They used over 100 different types of mosaics to decorate their homes!
They are called mosques. They are like the equivalent to church or a synagogue. People who believe in Islam(Muslims) pray and worship god there.
If they are Muslims, their place of worship is called mosque.
The Beothuk people were hunter-gatherers. They used red ochre paint to decorate various objects, and they built houses called mamateeks.