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.
A hard copy is a document that is printed on paper. A soft copy is one that is saved as a document, PDF, or other format on a computer or other memory device. It can only be viewed on a computer. 15 people found this useful.
A paperback (also known as softback or softcover) is a type of book characterized by a thick paper or paperboard cover, and often held together with glue rather than stitches or staples.