מדרש אויף אסתר 4:8

Another matter, “these are [ve’eleh] the ordinances.” There were three matters to which Moses devoted his life, and they are called by his name. These are: Israel, the Torah, and the laws. Israel, how much he suffered on their account, and they were called by his name, as it is stated: “He remembered the days of old, Moses, his people” (Isaiah 63:11). Torah, as it is stated: “Remember the Torah of Moses My servant” (Malachi 3:22). The laws, as it is stated: “These are the ordinances that you shall place before them.” Likewise, Esther devoted her life on behalf of Israel and they were called by her name, as it is stated: “To plead with him on behalf of her people” (Esther 4:8).