When you have set up voting on an email, your recipients will see a vote button at the top of the screen, which they can then use to give a response. When people have voted using the vote button, you will be able to see how many of your recipients have. selected each of the possible responses.
A Network Interface Card (NIC) is a device that allows computers to be joined together in a network, typically a Local Area Network (LAN). The network interface card acts as an interpreter, allowing the machine to both send and receive data on a LAN.
It is the 12 hexadecimal digit combination identifying the manufacturer and id of your NIC. the first 6 digits is the OUI(Organizationally unique Identifier), this identifies the company that made the NIC.