message: translate chart text to pt
diff: @@ -13,12 +13,12 @@ Data visualization consists of presenting information and data graphically to sy
  ### Line chart
  -Use it to show trends over time and for comparing data series. It shows values at points connected by lines as continuous data.
  +Used to show trends over time and for comparing data series. It shows values at points connected by lines as continuous data.
  ![Line chart](/image/line-chart.png)
  ![Multiple line chart](/image/line-chart-multiple.png)
  -### Area chart
  +#### Variation: Area chart
  Show the same information as the line graph, only presenting it graphically.
  @@ -26,7 +26,7 @@ Show the same information as the line graph, only presenting it graphically.
  ### Bar chart
  -Use bars to compare discrete, categorical data or to compare trends. Display bars vertically and corresponds to your numeric value measurement.
  +Uses bars to compare discrete, categorical data or to compare trends. Display bars vertically and corresponds to your numeric value measurement.
  ![Bar chart](/image/bar-chart.png)
  @@ -44,7 +44,7 @@ Used to compare the contribution ratio to the total value within a scale.
  ### Pie chart
  -Use it to show a part-to-whole visualization. By comparing data through angles, pie charts are not usually the easiest options for analyzing quantitative data (consider using Bar Chart or Column Chart). Pay attention to the number of items, as these charts do not accommodate large numbers of categories.
  +Used to show a part-to-whole visualization. By comparing data through angles, pie charts are not usually the easiest options for analyzing quantitative data (consider using Bar Chart or Column Chart). Pay attention to the number of items, as these charts do not accommodate large numbers of categories.
  ![Pie chart](/image/circular-chart.png)
  