Play. What is it, exactly? Let’s make this an “according to Webster’s”-style moment and find out.
Oop. I used the über-convenient Dictionary.com instead. They define the word in an astonishing sixty-two different ways sans idioms and verb phrases.
Fourteen of these definitions rely on an understanding of the concept of performance. But not a one even so much as mentions expression, which is defined as an “indication of feeling, spirit” or “character…as on the face, in the voice, or in artistic execution.”