The order of the world
Laws of nature. Laws and patterns of behavior according to which human beings act in the world.
("Seedtime and harvest, these are born and these die... and the meaning of the verse is: he will explain six matters that are the order of the world, which do not cease by day or by night" - Rabbeinu Bachya on Genesis 1:22, and likewise: "Brother Eliyahu says that now the order of the world has changed, and they are not as they were before" - Shalom Aleichem / A Flood of Ink, av)
Translation
Expression (Hebrew)
סִדְרֵי עוֹלָם
Definition (Hebrew)
חֻוקֵּי טֶבַע. חֻוקִּים וּכְלָלֵי הִתְנַהֲגוּת עַל פִּיהֶם נוֹהֲגִים בְּנֵי הָאָדָם בָּעוֹלָם.
("זֶרַע וְקָצִיר, אֵלּוּ נוֹלָדִים וְאֵלּוּ מֵתִים...וְטַעַם הַכָּתוּב: יְבָאֵר שִׁשָּׁה עִנְיָנִים שֶׁהֵם סִדְרֵי עוֹלָם, שֶׁאֵינָן שָׁבְתֵן בַּיּוֹם וּבַלַּיְלָה"- רַבֵּנוּ בְּחַיֵּי בְּרֵאשִׁית ח כב, וְכֵן:"אָחִי אֵלִיָּהוּ אוֹמֵר, כִּי עַכְשָׁו נִשְׁתַּנּוּ סִדְרֵי עוֹלָם וְאֵינָם כְּמוֹ שֶׁהָיוּ לְפָנִים"- שָׁלוֹם עֲלֵיכֶם/ מַבּוּל שֶׁל דְּיוֹ, עַב)