performing tasks or duties

काम करना

English Usage: She is working on her assignment.

Hindi Usage: वह अपने असाइनमेंट पर काम कर रही है।

the state of being engaged in an activity or job

कार्यशीलता

English Usage: His working was impressive during the project.

Hindi Usage: उसके कार्यशीलता प्रोजेक्ट के दौरान प्रभावशाली थी।

functioning or operating

कार्यरत

English Usage: The working conditions in the factory are safe.

Hindi Usage: फैक्ट्री में कार्यरत स्थिति सुरक्षित है।