A really good example of how an advertisement can appeal to emotions are the SPCA commercials. (the super sad dog commercials.) they appeal to emotions by showing pictures and or videos of injured, starving, or abandoned dogs. This makes more and more people want to donate to the cause.
When the speaker says “nothing gold can stay” Robert Frost is trying to symbolize the idea of no beauty or joy can last forever.
The climate of Scotland is temperate and oceanic