I agree with this! A huge part of understanding these questions, from what I have noticed, is understanding the parts of an argument.

To my understanding the difference is kind of pointed out via the indicator words. (this still might not make sense, but it's how I have looked at them)

Conditional: this thing cannot happen UNLESS this other thing happens

vs

Causal: this happened BECAUSE this other thing happened

He stated that he would touch on these both further in later segments, but this feels like the most basic sense of each one. They are similar, but not identical.