Great facts about how actors work (10)
I believe the answer is:
stagecraft
'actors work' is the definition.
The definition and answer can be both related to thinking as well as being singular nouns.
Maybe there's a link between them I don't understand?
'great facts about' is the wordplay.
'about' indicates anagramming the letters.
'great'+'facts'='greatfacts'
'greatfacts' with letters rearranged gives 'STAGECRAFT'.
'how' acts as a link.
Can you help me to learn more?
(Other definitions for stagecraft that I've seen before include "Art of boarding" , "What playwright has" , "capacity for top performance?" .)