The phrase "about the boundary between" is correct and usable in written English.
It can be used when discussing the limits or distinctions between two or more concepts, areas, or subjects.
Example: "The research paper focuses on the boundary between ethics and technology in modern society."
Alternatives: "regarding the divide between" or "concerning the limits of".
"Is it also time we thought about the boundary between formal (increasingly expensive) study and informal learning.
In addition, anything the Supreme Court says about the boundary between church and state could affect the outlook for the Bush administration's religion-based initiative.
As the committee said recently: "We believe there is no clarity about the boundary between acceptable tax planning and aggressive tax avoidance.
However difficult it is for us to do that, I reject the idea that we might become confused about the boundary between our condition as civilians — and as reporters — and ourselves as possible soldiers.
Setting aside what philosophers call "the hard problem" (self-awareness), a lot has been learned about the boundary between being awake and alert and being unconscious since ether was used in 1846 to put a patient under for surgery.
O.J.'s story is about the boundary between public and private life, the changing notion of privacy, the collapse of the physical limits and social norms that go into the drawing of that boundary, and, as a result, how strange and almost incommensurably distant the pre-Internet world of only two decades ago seems today.
My art is about blurring the boundary between fiction and reality.
Designers are often asked about blurring the boundary between inside and out, especially in urban plots, and the advent of huge, bi-folding glass doors that open up a house wall to the garden has created countless opportunities to do so.
Software-Defined Networking is primarily about defining the boundary between software running on proprietary hardware vs. software running on commodity servers – software that is open source, open API, and open standard, hence can be changed by network operators at will.
When the bubble burst in 1982, it left a dual legacy--an Oklahoma economy that has never recovered and a confusion about the boundaries between "them" and "us".
That effort raised questions about the boundaries between dramatic license and documented fact, a particularly fraught issue given enduring sensitivities about the Kennedy legacy.
