What does formal mean and informal mean?

Read the sentences. i absolutely detest when people interrupt others who are speaking. it shows a lack of good manners and consideration for the thoughts and words of others. many people need to listen more and talk less. why did the author most likely choose to use the word detest as opposed to the word "dislike"? to more strongly convey his feelings about those who interrupt to more strongly illustrate his solution to stop those who interrupt to more accurately describe how he wants the reader to react to more accurately create a visual of those who interrupt others

Monroe just left his second job in the marketing, sales, and service career pathway. he was self-employed at his first job, and worked for a nonprofit for his second job. he recently took another job in logistics and distribution.

The first step in preparing for a speech is to choose a topic. list 6 different possible speech topics that interest you and that would be appropriate for an audience of your peers. 3 of the topics should be informative, and 3 should be persuasive. (site 1)