keynote
noun
[ ˈkiːnəʊt ]
• a prevailing tone or central theme.
• "individuality is the keynote of the Nineties"
Similar:
theme,
salient point,
point,
gist,
substance,
burden,
tenor,
heart of the matter,
pith,
marrow,
topic,
policy line,
essence,
heart,
core,
basis,
essential feature/element,
defining characteristic,
centre,
kernel,
nucleus,
• the note on which a key is based.
