What is Backpropagation Through Time? Why does it exist? Where does it appear in RNN?
Draw or describe a visual model of Backpropagation Through Time. What does it look like conceptually?
Work through a concrete manual example of Backpropagation Through Time with real numbers or pseudocode.
How is Backpropagation Through Time different from related concepts in RNN? What are the trade-offs?
Explain Backpropagation Through Time in plain language using an analogy. Could a non-expert follow it?