Which of the following best describes 'visual elements' in LMS Substation 2-2?

The description of 'visual elements' as they pertain to LMS Substation 2-2 is accurately captured by focusing on clarity and incorporating symbols, colors, and labels. Visual elements play a critical role in enhancing the comprehensibility and usability of the design. By utilizing symbols, designers can convey complex ideas quickly and effectively, allowing users to understand the information without extensive explanation. Colors can also help differentiate between various types of data or functions, guiding users through the interface intuitively. Labels provide necessary context, ensuring the user can interpret the visual elements accurately.

This emphasis on clarity is essential in any learning management system, particularly in a substation environment where efficient communication of technical data is crucial. The other options do not encapsulate the multifaceted role that visual elements play in terms of usability, clarity, and functionality within this context.