Uniting idea (5)
I believe the answer is:
theme
(Other definitions for theme that I've seen before include "basis for variations" , "Thread, melody" , "Topic for discussion" , "Subject; recurring idea" , "Motif that's repeated" .)
I believe the answer is:
theme
(Other definitions for theme that I've seen before include "basis for variations" , "Thread, melody" , "Topic for discussion" , "Subject; recurring idea" , "Motif that's repeated" .)