How to connect an Apple LED Cinema Display to a new MacBook

Apple rarely releases sales figures on particular models of products they offer, but I have to imagine they shipped at least hundreds of thousands of its two Apple LED Cinema Displays (24-inch, 2008 to 2010, and 27-inch, 2010 to 2013) based on the number of people who have reached out and want to connect them to a USB-C equipped MacBook.