A refresher lesson is a short and simple teaching session that helps you review or remember something you have previously learned or experienced. Full definition
I was treated to a painful refresher lesson about the strength of modeling. (educationworld.com)
Through the use of science - based training principals, we can help your puppy learn the basics or provide refresher lessons for your adult dog. (poochhotel.com)
I understood most of what you presented and took away a very important refresher lesson on the importance of a «unique result» in any science - based model. (wattsupwiththat.com)