Understanding Terms Used for Response Assessment

When treatment is over, doctors assess response after a few weeks with clinical examination, scans and lab tests. When they describe their response they use terms which may not be very clear to a layman.

What do terms like 'partial response' or 'stable disease' really mean? Does 'complete response' mean cure? What happens when there is some disease left in the body? Develop an understanding of terms used for response assessment in the article How is treatment response described?.