What is the correct mean of explicits

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

Read the paragraph. we heard music coming from the auditorium so we crept up to the door in peaked in. i couldn’t believe my eyes! a group of dancers were on stage in the most beautiful costumes i have ever seen. i looked at mabel and she looked back at me with the same expression. our eyes were wide with joy and wonder. which point of view does the narrator use

Based on structural elements what type of expository text does this excerpt from a 1917 congressional address by president woodrow wilson exemplify