the unique pattern of ridges and grooves on the surface of a person's fingertip

a characteristic or distinctive mark

एक विशेषता या विशिष्ट संकेत

English Usage: His enthusiasm for the project became a fingerprint of his leadership style.

Hindi Usage: उसकी परियोजना के प्रति उत्साह उसके नेतृत्व शैली की एक विशेषता बन गई।