Facebook ad setup done , now what?

My ad has been running in FB for 3 days now and I have no clue what to do with the numbers it’s getting. Results, reach, impressions ? I am totally in the dark, I am guessing that I didn’t make a sale?!?? Did I miss something in the training?

how did you set up the ad. I ended up with a page but can’t set up an ad. I can’t find where