This video lecture about digital applications of a transistors may be helpful in understanding what the measured parameters mean and with the wording about 'what is going on' around this transistor.
Knowing about your application / purpose of this component in your setup would be helpful to be a bit less theoretical...
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
This video lecture about digital applications of a transistors may be helpful in understanding what the measured parameters mean and with the wording about 'what is going on' around this transistor.
Knowing about your application / purpose of this component in your setup would be helpful to be a bit less theoretical...