Pro bono services refer to professional work undertaken voluntarily and without payment. These services are often provided by lawyers, doctors, and other professionals to help individuals or organizations that cannot afford to pay for their expertise. The term "pro bono" comes from the Latin phrase "pro bono publico," meaning "for the public good." Many nonprofit organizations and community groups rely on pro bono services to support their missions. By offering their skills for free, professionals contribute to social justice and help address issues like legal rights, healthcare access, and education, ultimately benefiting underserved populations in society.