Charting techniques are methods used to visually represent data, making it easier to analyze trends and patterns. Common types of charts include line charts, bar charts, and pie charts, each serving different purposes. For instance, line charts are effective for showing changes over time, while bar charts compare quantities across categories. These techniques are widely used in various fields, including finance, healthcare, and education. By employing tools like Excel or Tableau, users can create dynamic charts that enhance data interpretation. Understanding these techniques is essential for effective communication of information and informed decision-making.