Good data visualization is all about conveying information clearly, efficiently, and without distraction. Keep the audience in mind
Choose how much data to display, and what context to provide, based on the needs of the audience Focus on content
Display content that is valuable to the user
Hide superfluous or irrelevant data
Tell a story
Stories turn data into useful, actionable information
Lead the reader, step by step, through the data
Clearly convey the single key insight the user should take away from the visualization
Use visual hierarchy to guide the user