The phrase "a wide-ranging topic" is correct and commonly used in written English.
It is used to describe a topic that covers a broad range of subtopics or ideas. Example: "Climate change is a wide-ranging topic that affects not only the environment, but also the economy, health, and social justice."
It's such a wide-ranging topic it's difficult to cover it all in one program.
Ian Rankin likes to work with "big picture" stories, taking a wide-ranging topic and honing it to play out on the streets of Edinburgh.
No fuss, no ceremony; just a little under two hours of lightly themed, eclectic choices of music and writing clustered around a wide-ranging topic.
Let's say you are a keynote speaker on executive management; you'll probably be expected to talk about leadership, but that is a wide-ranging topic.
The control of cell size in animals is of course a wide-ranging topic, and it is no surprise that key players in cell size control in unicellular organisms are also key players in animal cell size control.
The subject of reactive intermediates is a wide-ranging topic in organic chemistry.
A review of the literature on this admittedly wide-ranging topic shows advantages and disadvantages depending on the subject under review.
As someone who racks up a few miles himself each year, I welcomed Mr. Greenberg's insights on the wide-ranging topic of domestic and international hotels.
Classes convene once a month, and cover wide-ranging topics, such as cardiovascular disease, stroke, women's health and diabetes.
Yet here's a consensus for the wide-ranging topics of potential parental worries: Children who have loving, predictable, secure relationships with adults are set up to thrive.
It's an apt description for the show that covers such wide-ranging topics as east African feminism, turning 90s black sitcoms into musicals, the joys and woes of social media, translating tramp stamps, pondering the dating world and more, all while yelling at each other in friendly drunken debates.
