'What is the correct term for OpenGL's 2x2x2 rendering volume?
What do you call OpenGL's 2x2x2 box (in NDC space) where geometry is visible? I'm tempted to call it the NDC frustum, but the term frustum seems to be exclusively associated with the visible, pyramid-shaped volume of space after the perspective transform has been applied. I understand these volumes map to the same thing, but I want to know if there is an actual term for "the cube where glPosition is visible". Clip space is also commonly used, but to me this is clearly a type of 3D space, not a cubic portion inside it.
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