Boku can refer to different things depending on the context. Here are some possible meanings of the term:

• Boku, Inc.: Boku is a mobile payments company that allows businesses to collect online payments through both carrier billing and mobile wallets. It is headquartered in San Francisco, California, and operates in over 90 countries globally.

• Mobile payment method: Boku is a secure payment method that allows customers to charge digital goods and services to their mobile number.

• Japanese pronoun: Boku (僕) is a Japanese first-person pronoun used mostly by men, which is perceived as humble and semi-formal. It is commonly used by young boys and adult men in informal situations, but can also be used in formal situations.

In summary, Boku can refer to a mobile payments company, a mobile payment method, or a Japanese pronoun.