To stamp a letter or package to indicate that postage has been paid.

डाक टिकट लगाना

English Usage: The office worker franked the letters before sending them out.

Hindi Usage: कार्यालय के कर्मी ने भेजने से पहले पत्रों पर डाक टिकट लगाया।

Open, honest, and direct in speech or writing.

स्पष्ट

English Usage: His franked manner of speaking made everyone comfortable.

Hindi Usage: उसकी स्पष्ट बात करने की शैली ने सभी को सहज बना दिया।