Thanks. I actually made my own flashcards for the definitions on Word first. After finding quizlet I then copied and pasted the Word document to make my own set. The signals I copied from someone else and had to correct a few things while editing my "version". I checked word for word that everything matched. That's where I noticed that some signal images weren't on my packet. I've been writing everything (definitions & indications) 5x each in a notebook. While driving I used to listen to podcasts but now listen to a recording of me reading everything. I have an hour commute each way. Feeling good about this at the beginning of my 2nd week studying.