Daniel 8:16 Halakhah

וָאֶשְׁמַ֥ע קוֹל־אָדָ֖ם בֵּ֣ין אוּלָ֑י וַיִּקְרָא֙ וַיֹּאמַ֔ר גַּבְרִיאֵ֕ל הָבֵ֥ן לְהַלָּ֖ז אֶת־הַמַּרְאֶֽה׃

And I heard the voice of a man between the banks of Ulai, who called, and said: ‘Gabriel, make this man to understand the vision.’

Read halakhic rulings (Jewish law) on Daniel 8:16: and classical halakhic sources.