ASMR is doing gentle, soft, and relaxing sounds. And people listen to it because... it's relaxing, I guess...
"Don't worry," she whispered.
The chorus in an Ancient Greek play was extremely important because it helped the viewers to follow along. Often times it summarized what happened in a certain act/scene/play, which helped people who did not understand it to, well, understand it. It also often provided insight into characters minds. It told things about the characters that they could not tell about themselves, which could help the viewer predict what was going to happen in the upcoming scenes.
These words have similar meanings, so the relationship between them is that they are "synonyms". Synonyms are words with similar meanings, and they can often be used interchangeably within a sentence. Other relationships could include antonyms, which are words with opposite meanings.
B
Eventually, the Nazis took over many of those parts of Europe.