Biofeedback is a tool that helps individuals visualize how their biological systems work. For example, software can show individuals what their heart is doing and how basic changes in their breathing can influence their heart beat and overall health.
Soft copy means a data or information which can be stored in any kind of digital memory. It is an intangible form of preserving the material. You can see the record but cannot touch it. Monitors or others display screens are used to see the soft copy results.
A shortcut is a pointer to a file on your hard drive. This pointer can point to a program, a file, or a folder. The shortcut is a small file that takes very little space because it only has information about the location of the original file. It is not an exact copy of the original file.