Alter Rebbe	Rabbi Schneur Zalman of Liadi, founder of Chabad (1745-1812). Author of Tanya and Rav Shulchan Aruch, among numerous other works. His Shulchan Aruch is accepted as authoritative among all Chassidim.
Beis HaMikdosh	The Holy Temple in ancient Jerusalem. The first one was built by King Solomon and destroyed by Nebuchadnezzar of Babylon. The second was built by the returning exiles from Babylon and destroyed by Titus of Rome in 70 C.E.. The third will soon be built by Moshiach, never to be destroyed again.
Bamidbar	The Book of Numbers.
Bereishis	The Book of Genesis.
Chanah	Mother of the prophet Samuel who annointed King David.
Chassidus	Chassidic philosophy based on sayings of the Baal Shem Tov.
Devarim	The Book of Deuteronomy.
Eretz Yisrael	the Land of Israel.
Esav	Elder son of Isaac. Progenitor of Rome.
Farbrengen (Yiddish)	Chassidic gathering for discussing Chassidus, to recount greatness of Rebbeim and stories of Chassidim, and to give each other moral exhortation. In addition to its immediate purpose, a farbrengen serves to strengthen bonds among Chassidim.
Gittin	Tractate of the Talmud dealing with divorce laws.
Hakkafah	Circling the synagogue on the Simchat Torah festival.
Halachah	Jewish Law.
Halachic	Of, or having to do with Halachah, i.e. Jewish Law.
Haman	A servant of Persian king Achashverosh who attempted to destroy the entire Jewish people in the year 474 BCE.
Hisvaadiyos	Anthology of the Lubavitcher Rebbe’s public farbrengens.
Hilchos Shabbos	The Laws regarding the Shabbos.
Iyar	Eighth Jewish month counting from Tishrei.
Kiddushin	Tractate of the Talmud dealing with marriage laws.
Kislev	3rd Jewish month counting from Tishrei.
Mazal	Astrological source of life.
Melech	King.
Midrash	Homiletical exposition of the Torah
Mikveh	Bath of Jewish spiritual purity.
Minyan	When 10 Jews gather, this constitutes a Minyan.
Mishnah	Oral Law
Mitzvah	Commandment or good deed. There are 613 commandments.
Mivtzoyim	Jewish awareness campaigns initiated by the Lubavitcher Rebbe.
Moetzes Gedolei Hatorah	Council of Sages of Agudath Israel
Moshiach	Messiah. He will unite the world, such that there will no longer be hunger nor war...
Motzoei Shabbos	Evening following the conclusion of the Sabbath.
Parsha	Weekly reading of the books of Moses on the Sabbath morning.
Pikuach Nefesh	Immediate danger of loss of a life.
Psak-din	Authoritative Halachic ruling given by qualified Rabbis who are experts at Jewish jurisprudence.
Purim	Festival commemorating the miraculous turn of events where the Jewish nation were not only saved from Haman, but were even permitted to seek revenge on the plotters. Note: Nazi Albert Streicher’s last words before being hung were, “Purim Festival 1946”.
Rabbonim	see Rav
Rambam	Maimonides.
Rav (pl. Rabbonim)	Rabbi or, literally, “teacher.”
Rosh Yeshivah	Head of a Yeshivah, a house of learning Torah.
Sanhedrin	Rabbinic courts in the time of the Temple.
Sefer (pl. Seforim)	Book of religious content.
Seforim	see Sefer.
Sh’mos	Book of Exodus.
Shabbos	Jewish Sabbath.
Shemini Atzeres	The festival following the festival of Succos.
Shleimus HaAm	The preservation of the purity of the Jewish people.
Shleimus HaAretz	The entire land of Israel as delineated in the Bible.
Shleimus HaTorah	The complete Bible without any missing letters.
Shmuel	The prophet Samuel.
Sicha (pl. Sichos)	Public address of the Lubavitcher Rebbe.
Talmud	Discussions of the Amoraic Rabbis in the third to fifth centuries explaining the Oral Law.
Talmudist	Scholar of Talmud.
Tammuz	Tenth Jewish month.
Tanya	Monumental philosophical work of Rabbi Shneur Zalman of Liadi, the first Lubavitcher Rebbe.
Tefillin	Phylacteries worn by Jewish men during morning prayers.
Tomchei Tmimim	The name of the first Lubavitcher Yeshiva established in the White Russian town of Lubavitch in 1897. From there sprang thousands of students, who withstood the web of Stalin against all odds. It is these students, that the Rebbe’s father-in-law’s father (refered to in text) charged with the world shattering task of bringing Moshiach. This task was allocated during a Simchas Torah address to the students of Tomchei Tmimim in the year 1900 (see this treatise in Hebrew, or English version published by the Kehot Publication Society 1993).
Tevilas Ezra	Decree of Ezra requiring immersion in case of emission.
Torah	Old Testament.
Tzedakah	Giving to those in need.
Vayikra	Book of Leviticus.
Yeshivah (pl. Yeshivos)	Place of study of Judaism
Yisrael	Israel. Sometimes refers to Jacob.
Yishmael	Elder son of Abraham and progenitor of Arab people.
Yom Tov	Jewish festival day such as Passover.