They're basically teaching you/us their experiences, their way of telling you from the information they have and got from past experiences.
Answer: it is an introduction to get people that read the article interested
Explanation:
I would say that an outline is the most similar to a storyboard.
Answer: Explanation
Explanation:
When Lincoln was a boy, there were no trains. Mail that had to be delivered across long distances was carried by horse. It took a long time for a message to travel by stagecoach.
From the excerpt above, stagecoach has been explained as a means of delivering letters to long distances using horses.