עַל־כֵּ֡ן קָֽרְאוּ֩ לַיָּמִ֨ים הָאֵ֤לֶּה פוּרִים֙ עַל־שֵׁ֣ם הַפּ֔וּר עַל־כֵּ֕ן עַל־כָּל־דִּבְרֵ֖י הָאִגֶּ֣רֶת הַזֹּ֑את וּמָֽה־רָא֣וּ עַל־כָּ֔כָה וּמָ֥ה הִגִּ֖יעַ אֲלֵיהֶֽם׃
Kaya tinawag nila ang mga araw na ito na Purim, ayon sa pangalan ng pur. Kaya nga, dahil sa lahat ng mga salita ng liham na ito, at sa kanilang nakita tungkol dito, at sa nangyari sa kanila,
Rashi
For this reason ... because of all that is narrated in this letter. These days were designated, and therefore it [the Megillah] was written for the future generations to know.
Rashi
Why they saw fit. Those who did these deeds, that they did them.
Rashi
And what happened to them as a result. What did Achashveirosh see that he used the sacred vessels, “and what happened to them as a result,” that Satan came and danced among them and slew Vashti. What did Haman see that he became jealous of Mordechai, “and what happened to him as a result,” that they hanged him and his sons. What did Mordechai see that he did not kneel or prostate himself, and what did Esther see that she invited Haman?8Maseches Megillah 19a.