Capturing video means to take the video that is on a tape or digital storage device and putting it onto your computer for video editing. If it is a digital storage device, such as a portable hard drive or memory card, then this simply means a file import onto your computer. If it is from tape you will need to use capture software, which is usually included in your editing program, and use it to capture the footage. You have to plug in a device to read the tape, such as a tape deck or the camera itself, to the computer through a FireWire or USB port. Then the computer picks up and records the footage as the tape plays through.