An area of land used for a specific purpose, often in reference to agriculture or military contexts.

A branch of study or area of expertise, such as in academic or professional contexts.

क्षेत्र

English Usage: She specializes in the field of environmental science.

Hindi Usage: वह पर्यावरण विज्ञान के क्षेत्र में विशेषज्ञता रखती है।

Military construction designed to defend a place against attack.

Any defensive structure or means that enhances security.

सुरक्षा साधन

English Usage: They built a fortification around their property to deter burglars.

Hindi Usage: उन्होंने चोरों को रोकने के लिए अपनी संपत्ति के चारों ओर सुरक्षा साधन बनाया।