"on a multitude of levels" is a valid and commonly used expression in written English.
It is used to refer to a situation or idea that has many aspects or implications. For example, you could say "Investing in renewable energy has benefits on a multitude of levels, from economic to environmental."
The premise behind services like Highlight and Glancee is that humans are desperate to connect with one another on a multitude of levels.
During his part in the proceedings, Mr. Gibbons commented that the couple had forged a relationship that works on a multitude of levels.
This works on a multitude of levels, thanks to a dense blend of pop music, movies and mythology, a cinematic eye and refreshing relish for risk-taking - all dressed up as family entertainment.
"In Formations" can be enjoyed on a multitude of levels: for the sheer beauty and interest of its ceaselessly shifting structure, for the childlike yet deeply serious sense of play that comes from seeing people bound and tumble across an expanse of grass (even if fake), for the witty, idiosyncratic flair of Mr. Dunn's choreography.
Hillary has displayed perseverance and repeated victories on a multitude of levels throughout her lifetime in politics.
The attacks against Common and the linkage of his alleged radicalism with President Obama are troubling on a multitude of levels.
And it was a revelation on a multitude of level.
One of the hallmarks of human face processing is our ability to recognize faces across a multitude of levels.
He's an exceptional developer who takes on a multitude of projects at the same time.
She has left an indelible mark on a multitude of lives, and will be sorely missed.
Landscape ecology is the science and art of studying and improving the relationship between spatial pattern and ecological processes on a multitude of scales and organizational levels.
