This is understanding how other people view us in terms of those same factors. Leaders with high external self-awareness are often more effective, better at building relationships, and more empathetic.
Most self-help books tell you to look inward. Eurich proves that asking "Why do I feel this way?" usually leads to rumination, anxiety, and false narratives. Instead, she advocates asking instead of "Why." insight book by tasha eurich pdf
Official summaries and workbooks are available to help apply these concepts: This is understanding how other people view us