the head of a school or organization
most important
मुख्य
English Usage: Safety is the principal concern of the organization.
Hindi Usage: सुरक्षा संगठन की मुख्य चिंता है।
the outer face or top layer of something
to appear or come into view
उभरना
English Usage: New problems may surface during the project.
Hindi Usage: प्रोजेक्ट के दौरान नई समस्याएँ उभर सकती हैं।