Final answer:
NGOs are independent groups that address transnational concerns and operate without government involvement.
Step-by-step explanation:
An NGO stands for Non-Governmental Organization. It is an independent group that operates independently of a government or state and focuses on addressing transnational concerns. NGOs are typically involved in activities like providing aid and development programs, addressing environmental issues, supporting humanitarian causes, and promoting social, economic, and political development. Examples of NGOs include the Red Cross, Doctors without Borders, Greenpeace, and the World Wildlife Fund.