Could be 'home or work' or intranet. Not enough context to answer any better.
Answer:
It means the driver has been tested by Microsoft, and its an unaltered file.
Explanation:
A signed driver ensures that comes directly from Microsoft, it hasn't been modified by any other group or otherwise would lose the signature, the driver is associated with a digital certificate that allows Windows to test its authenticity.
Since drivers work at very high-security levels on Windows OS, installing unsigned drivers it's a considerable risk.
If improving their skills would help them be better at things, and have an easier or faster way to solve their problem
The points r halfed cause 2 people can anwser them.
