Definition

A receiver operating characteristic curve (ROC curve) is a plot of the True Positive Rate and False Negative Rate at each threshold setting.
AUC

The area under the ROC curve is called AUC (Area under curve)

A receiver operating characteristic curve (ROC curve) is a plot of the True Positive Rate and False Negative Rate at each threshold setting.

The area under the ROC curve is called AUC (Area under curve)