The star is an object typically recognized as a Christmas icon. The Christmas tree is also widely recognized as a Christmas icon and the star sits on top of the tree.

Typically, passion and anger are represented with the color red, which also happens to be recognized as "hot". To contrast that, blue is recognized as "cold" and so it was chosen for depression as well.

Typically the Holy Land is represented religiously by the Jerusalem Cross. However, if you are referring to politics, all European Countries recognized the State of Israel and some also recognized Palestine.

well the official definition of marriage is a union of a man and woman typically recognized by law.

how do you define marriage?

Yes