The document contains two articles that describe how a GPS car navigation system works. The first article briefly explains the system and provides step-by-step instructions for using it. The second article describes the system in more detail, separating the content into four sections about navigation basics, GPS satellites, location calculation, and trip planning. While the step-by-step instructions are clear, the articles could be improved with more images and formatting to aid comprehension.

1. 1. What is the primary idea of the content in the articles?<br />The content in the articles is sentences about a car navigation system. First of all, sentences of first article explain about a GPS car navigation system briefly. Next, this article explain how to use a GPS car navigation system. For example, basic way to use a GPS car navigation system, way to search route by point of interest, and etc. In second article, the sentences explain about a GPS car navigation system in detail. For exmaple, about car navigation basics, GPS stallites, calculating location, and planning a trip.<br />2. Do you think the individual sections and headings in the document (articles) clearly represent the idea that was communicated. Explain the reasons behind your comments.<br />Yes, I do. The heading explain about an outline of a GPS car navigation system briefly and clearly, and the instructions in the first article represent intelligible way to use a GPS car navigation system step-by-step. It is easy for us to understnad step-by-step operation more than not step-by-step. In the second article, this article separate four sections the content about a GPS car navigation system, then explain each section related a GPS car navigation system in detail. It is easy for us to read this article.<br /> 3. What details are included in the articles?<br />First of all, sentences of first article explain about a GPS car navigation system briefly. Next, this document represents how to use a GPS car navigation system. For instance, basic way to use a GPS car navigation system, way to search route by point of interest in detail, and etc. In second article, the document represents about a GPS car navigation system in detail. For instance, about car navigation basics, GPS stallites, calculating location, and planning a trip.<br />4. Was there anything that was confusing? If so, what is it?<br />The heading and the instructions in the first article are full of a character. The sentences of each sections in the second article are also full of a character. There are not many pictures on the heading and the instructions in this articles. A enumeration of characters make our comprehension to read a sentence difficult for us, and our brain confused, so we cannot understand the sentences in the articles, cannot understand what to do next.<br />5. What is good about the writing? Why is it good?<br />The instructions in the first article represent intelligible way to use a GPS car navigation system step-by-step clearly. It is easy for us to understnad step-by-step operation more than not step-by-step. In the second article, this article separate four sections the content about a GPS car navigation system, then explain each section related a GPS car navigation system in detail. It is easy for us to read and understand the content in this articles.<br />6. Are there any errors that need to be corrected?<br />The heading and the instructions in the first article are full of a character. The sentences of each sections in the second article are also full of a character. There are not many pictures on the heading and the instructions in this articles. So, the heading and the instructions in this articles and the sentences of each sections in the second explain the content with many pictures. And, the sentences in the articles are full of small character, so this articles are fine, it is difficult for us to read this articles.<br />7. What specific suggestions for improving the articles can you make?<br />First of all, there are not many pictures on the heading and the instructions in the first article and the sentences of each sections in the second article, so the heading and the instructions in the first article and the sentences of each sections in the second article explain the content with many pictures. Second, the heading and the instruction and the sentences of each sections in this documents should use more spaces. Finally, characters should be more big.<br /> 8. Identify three basic differences between how your group would author a similar document and how this author authored it (as you see it in the link).<br />First, I will write about a GPS car navigation system with many pictures about GPS satellites, map, car navigation machine, concept maps, and etc about the sentences in this articles. Second, I will insert more blanks to become easy to see and understand the content in this articles. Next, I will write homepage address about a GPS car navigation system. Finally, I give a demonstration of way to use a GPS car navigation system with plain animation.<br />