Saponification and Esterification

[Gib Z]

I don't seem to understand what's happening at all and I have a test tomorrow!

Can anyone briefly explain what the terms mean? What reacts with what to make what? In like 1 paragraph please? Thank you HEAPS!

 

[chemisttree]

Saponification is the hydrolysis of an ester into the carboxylic acid and the alcohol and esterification is the condensation of the carboxylic acid and alcohol to form the ester.