Final answer:
The single broken line is a lane divider and its meaning in Driver's Education is that traffic going in both directions may pass, but only if it is safe to do so.
Step-by-step explanation:
The subject of this question is Driver's Education. Specifically, it refers to the meaning of a single broken line as a lane divider. In driver's education, a single broken line indicates that traffic going in both directions may pass, but only if it is safe to do so. This means that drivers should exercise caution and look for oncoming traffic before passing.