Hello. You have not shown the excerpt to which this question refers, which makes it impossible for it to be answered. However, I will try to help you in the best possible way.
The structure of the text is the way in which the information in the text is organized, this can promote the prediction of how the text will present concepts, views, opinions, time passages, expository elements, causes and effects of the narrative, objectives, among other concepts. In other words, with the structure of the text it is possible to make predictions of the narrative's constructive elements.