What is the purpose of 'SmartArt' in PowerPoint?

The purpose of 'SmartArt' in PowerPoint is to enable users to create visually appealing diagrams and charts that help to communicate information more effectively. SmartArt provides a variety of predefined graphic layouts that can represent processes, relationships, hierarchies, and other types of information. This feature allows users to transform bullet-point lists into dynamic visuals, making presentations more engaging and easier to understand for the audience.

SmartArt is particularly useful for illustrating complex ideas and concepts, as it combines graphic elements with text in a way that enhances comprehension and retention. This capability extends beyond simple charts, as SmartArt encompasses a diverse range of diagram types, including organization charts, flowcharts, and even lists. Therefore, the correct answer captures the comprehensive purpose of SmartArt by highlighting its function in creating visually appealing diagrams and charts, which are integral to effective presentation design.