crux

“These are the crux of what makes a union strong and the very, very bottom line of what members need and want,” Dubal said.

That’s the crux of the dispute: Was it a few innocent photos or an unauthorized production?

At the crux of the issue is a federal rule, newly reinterpreted, that requires critical access hospitals to be at least 35 miles from the next closest hospital when traveling by main roads.

And that's the crux, fighting the wrinkle is a war of attrition.

While Eland’s sprawling solar panels are eye-catching, it’s the unassuming batteries — which look like rows of large white shipping containers — that are the real crux of the project.