an area of open land, especially one planted with crops or pasture

a particular branch of study or sphere of activity or interest

क्षेत्र

English Usage: She is an expert in the entire field of neuroscience.

Hindi Usage: वह तंत्रिका विज्ञान के संपूर्ण क्षेत्र में एक विशेषज्ञ है।