What does $|w| \leq w_c$ means?

Question

$|w| \leq w_c$ means?

Does it mean $-w_c\leq w \leq w_c$ or

$0\leq w \leq w_c$

Answer 1

Without context, I think that the correct option is $\omega_c\leq\omega\leq\omega_c$. But, you should better explain the problem.