chiefly or mainly

मुख्यतः

English Usage: The team primarily focuses on customer satisfaction.

Hindi Usage: टीम मुख्यतः ग्राहक संतोष पर ध्यान केंद्रित करती है।

of chief importance; principal

प्राथमिक

English Usage: The primary goal of the project is to increase efficiency.

Hindi Usage: परियोजना का प्राथमिक लक्ष्य दक्षता बढ़ाना है।