The Jewish holy symbol is the five-pointed Star of David.
Dove
The book of Exodus IS one of the Jewish holy texts. It does not "observe" holy texts.
Hebrew
The Torah is the Jewish Holy Book.
The Tanakh (Jewish Bible).
a synnagoge
No.
Isaiah.
Belief in One God Belief in the Torah which God gave Jewish community The Holy Land and the Holy Temple
There are more than three Jewish holy days, but the answer you're looking for is Rosh Hashanah and Yom Kippur, which total three days. For more about these and the rest of the Jewish holy days and other occasions, see this linked page.
The Torah is a Jewish holy book, it is not related to Buddhism.
Pentecost