Moby-Dick Questions Chs. 100-104: What is the significance of the meeting with the Samuel

What is the significance of the meeting with the Samuel Enderby?  What important information does Ahab find out?  What did Moby Dick do in his encounter with the Samuel Enderby, and what light does this shed on the questions of agent/principal and consciously malign force/dumb brute?  Compare Captains’ Broomer’s and Ahab’s attitudes toward Moby dick (pp. 481-482 [339-340])  What is the significance of what Boomer whispers to Fedallah, and Fedallah’s response?  When Ishmael seizes “Jonah’s privilege alone,” and gets inside the whale in ch. 102, what does he find?  How do you interpret the symbolism of weaving in the long paragraph on pp. 489-490 [345])?  Why does Ishmael, after describing his journey inside the whale, have the skeletal dimensions tattooed on himself?