How are metonymy and synecdoche different from metaphors?

Hi how are i have some questions about english subject can you answer for me ?

Using the library or the internet as a resource, locate and watch two different live production interpretations of act iii of our town. then, compare and contrast how the two interpretations represented the original play. did either of the interpretations make any changes to the original material? if so, how did it affect your experience as a viewer? did you interpret the characters any differently after watching the live productions? why or why not?

During the industrial age, what was one important way businesses told consumers about new products? through phonographs through telephones through telegraphs through catalogues