I did realise where the discussion came (comes) from, but this is actually the topic for the riff as taught in grade 1, module 5, as mentioned at the top of the screen. The topic for the actual song lesson is this:
I didn’t (and don’t) want to be rude, but questions and comments about the song lesson in the comments section of module 5 probably feels quite confusing and discouraging for someone who is at that module 5 stage, seeking help.