The answer is: ADMIN BLOCK > NOTIFICATIONS > VERSION

A fellow Moodler, and a Moodler who is also an instructor for a Moodle Partner (and a very pleasant Teacher, I've taken a course with her), gave me the answer to the question I implied in a recent post, indicating that I did not know how to find the version of Moodle that a particular instance was running.  The answer is:
Within Site Administration, click on Notifications, and the screen will display the information we seek.  The first image below is where to go to find the info; images two and three below represent the two different versions (well, actually just different Builds), that my two Moodle instances offer to me:

Thank you for the help, Ms. Moodler *:-)