Naming principal components

Given these definitions of the features

credit_history_months — number of months of credit history available
credit_utilization_ratio — total debt / total available credit
delay_from_due_date — average number of days late on payments
monthly_inhand_salary — individual's base salary

What would be an appropriate label for PC1 (x-axis) in this plot?

PCA graph

This exercise is part of the course

Dimensionality Reduction in R

Hands-on interactive exercise

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