Final answer:
Von Petzinger's discussion on graphic signs highlights the importance of visuals in communication since ancient times, and their evolution is reflected in modern representations such as logos, line graphs, pie charts, and bar graphs. These serve to simplify and convey complex information but have the potential to mislead if manipulated.
Step-by-step explanation:
In a video discussing the question, Von Petzinger identifies specific graphic signs from ancient times such as dots, circles, and lines that were the early human attempt at communication through visual representation.
These signs are significant as they demonstrate the cognitive abilities of our ancestors and their attempts to convey meaning in a long-lasting manner. Graphic signs evolved into complex forms like logos, which are vital in conveying the corporate identity of a company today. Logos need to be easily identifiable, unique, and reflective of a company's character.
Today's common examples of graphic representations include:
- Line Graphs: Represent data changes over time and makes trends easy to spot.
- Pie Charts: Show parts of a whole and are useful for displaying proportions and percentages.
- Bar Graphs: Compare different groups and are helpful when it's necessary to see individual values.
These graphic representations are ubiquitous in corporate and educational settings, enabling the visual dissemination of information and making complex data easily understandable. However, it's important to note that these graphs can be manipulated to misrepresent data, which is why critical observation of graphical information is necessary.