What previewing material would accompany an expository text?

An introduction is given about how the topic of interes will be treated.

Usually images of an explanatory nature are included, with a explanatory talk, the images are included to bring the reciver closer to the topic of interest in a friendly way.

it's purpose is to inform a non specialized public, and sometimes, without prior knowledge, so that the same present an interest in the subject.

c.

sequential order of an idea

part a.   = c.)

part b. = a.)

explanation:

different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )