broadidea
nounUK /ˌbrɔːd aɪˈdɪə/
US /ˌbrɔd aɪˈdiːə/
A big, general thought that covers many things.
The teacher gave us a broadidea of what the project would be about.
OTHER MEANINGS
2. A wide-ranging plan or suggestion that is not yet detailed.
We started with a broadidea before writing the full plan.
3. A main point or theme that many smaller ideas fit under.
The broadidea of the story is about friendship.
4. An early, rough thought used as a starting point.
Her broadidea helped the team decide what to build.