What are the implications of "Kol Meleches Avodah"?
Rosh Hashanah, 29a: It precludes removing bread from the oven (in which it is has been baked) and blowing the Shofar, which are considered a Chochmah and not a Melachah. 1
See Torah Temimah, note 1.
What is the main objective of blowing the Shofar on Rosh Hashanah?
Targum Yonasan: To confuse the Satan ? to prevent him from prosecuting us for our sins. 1
Ramban (in Emor Vayikra 23:24 and Beha'aloscha Bamidbar, 10:6): It is Yom ha'Din, but tempered with mercy - Teru'ah corresponds to Midas ha'Din and a Teki'ah (which represents Midas ha'Rachamim) always precedes and another one follows it.
Ibn Ezra (Vayikra 23:24): It is Yom ha'Din; the Shofar hints to Hashem's Sovereignty.
Refer to Vayikra 23:24:2:3 & 5 and to Vayikra 23:24:2:5**.
RS"R Hirsh: It is to place fear into our hearts and call us to repent and return to our Master. This sound will penetrate every heart!
See Na 'ar Yonasan on Bamidbar 10:10.
What is the significance of blowing the Shofar on Rosh Hashanah?
Refer to Vayikra, 23:24:1:1-4.
What are the implications of "Yom Teru'ah"?
What are the connotations of the word "Teru'ah"?
Rosh Hashanah, 33b: Based on Targum Onkelos (and Targum Yonasan) - 'Yom Yebava ... ' - it means a broken blast, which according to some, is a Shevarim (three semi-short blasts), and according to others, is a Teru'h (nine short blasts). 1
See Torah Temimah, citing Rosh Hashanah, Ibid. and note 9.
What is the (otherwise superfluus) word "Yih'yeh" coming to include?
Yerushalmi Rosh Hashanah, Sukah, 3:1: It includes a Shofar of Avodas-Kochavim and a Shofar of Ir ha'Nidachas (which are otherwise Asur be'Hana'ah). 1
See Torah Temimah, note 11, who cites the Bavli and elaborates.
Why does the Torah write "Yom Teru'ah" here and "Zichron Teru'ah" in Emor Vayikra, 23:24?
Refer to Vayikra 23:24:2:1-6.