before and after
/bɪˈfɔːr (ə)n(d) ˈɑːftə/ /bɪˈfɔːr (ə)n(d) ˈaftə/adjective
Attributive Designating or relating to a pair of contrasting images illustrating a salutary or beneficial change.
noun
A visual representation of successive states; specifically a pair of contrasting images illustrating a salutary or beneficial change.
Origin
Late 19th century; earliest use found in The British Medical Journal. From before + and + after.