A token may refer to any of the following:
1. A portion of data that is passed from computer to computer in token-ring networks. When a computer has a token, it is capable of communicating to other computers and devices on the network.
2. When referring to programming or batch files, a token often refers to a portion of a much larger piece of data. For example, the date: 12/06/2016 could be broken into tokens: 12, 06, and 2016. Once these tokens have been gathered, the programmer may use only the portions they want. In the case of the date example, they could use only the day and not the month or year.
3. A security token is a physical device that can usually fit on a keyring, which generates a security code for use with networks or software applications.