innovation and implementation
Theme is the main idea, but tone is how a writer feels about the main idea.
The central idea of a writing is the theme.
Theme
Trust can be a theme, but I would expand the idea "trust."
A theme is a unifying, implicit or recurrent idea
what was in controlling idea for a day at the theme park by bruce cameron
The central idea of a poem is the main theme that is represented in the poem. Topic is another word for theme.
The central idea of the story
the theme
complete
complete
The central idea of the story