The phrase "a broad notion of" is correct and usable in written English.
It can be used when discussing a wide or general understanding of a concept or idea.
Example: "In this paper, we will explore a broad notion of cultural identity and its implications in modern society."
Alternatives: "a wide understanding of" or "a general concept of".
We are interested in a broad notion of what is meant by "multimedia," one that has a rich history in this country.
We speculate that instead blood donors may be driven by a broad notion of duty rather than by a far-sighted, rational unselfishness.
Väliaho bases his argument on a broad notion of the image as something both visible and sayable, detectable in various screen platforms but also in scientific perception and theoretical ideas.
Virginia Held operates with a broad notion of terrorism, but her justification of terrorism is meant to apply to terrorism that targets common citizens.
There has been a shift during the past 60 years from a broad notion of the entire nation as underserved to a more focused effort to identify particular areas (often rural) thought to be underserved.
One can envision that a broad notion of human capital would furthermore include aspects related to accumulation and investments beyond formal schooling such as job experience, and that for experience to translate into more skills, lifelong learning and training could potentially be important.
"Farmworkers in Organic Agriculture: Towards a Broader Notion of Sustainable Agriculture" The Newsletter of the University of California Sustainable Agriculture Research and Education Program.
This speaks to a broader notion of what constitutes a "viable" match for a single white woman in Australia.
But by countenancing jointly financed bank recapitalisation, Mrs Merkel has accepted a broader notion of risk-sharing.
Its system of spoils — power divided rigidly among religious communities — offers protections to minorities but makes a sham of a broader notion of citizenship.
What matters, he argues, is not the text of the amendment but the fact that a broader notion of sovereign immunity is "embedded in our constitutional structure".
