The phrase "broadly by" is correct and usable in written English.
It usually indicates that something is being sorted or classified "by" a broader category. For example, "The objects were organized broadly by color".
Broadly, by nature, reality formats are exploitative.
The two houses compromised, broadly by moving the Senate's rates up rather than the House's down.
The average Republican voter is right to feel betrayed by Republican politicians – and more broadly by the conservative movement.
"It made the biggest difference in people's lives, individually and broadly, by changing their neighborhoods and their neighborhood circumstances," Mr. Ferrer said of the Koch program.
The month-to-month fluctuation in consumer spending, even as driven more broadly by changes in household wealth, is one example.
Along the way, they reduced popular support for reproductive rights more broadly by making late-term abortion seem as if it were the norm rather than the exception.
These areas of physics, financed broadly by both government and industry, continue to uncover nature's secrets, win Nobel prizes and make our everyday devices faster and cheaper.
But Justice Sonia Sotomayor suggested that the law might sweep too broadly by making, say, harmonica instruction a crime because it involves specialized training.
I get chances to use my expertise more broadly by serving, for example, on the board of the International Federation of Reproduction Rights Organizations, the global licensing group.
One hope is that this will spread the benefits of his plan more broadly by driving up wages, reversing years of declines.
(Students can still study broadly, by choosing from five "exploratory" majors, like "arts and humanities" or "science and engineering," and staying in them for 45 credits).
