Step 1: Understanding the Concept: SOS Children's Villages is an independent, non-governmental international development organization.
Step 2: Detailed Explanation: The primary mission of SOS Children's Villages is to build families for children in need, help them shape their own futures, and share in the development of their communities.
They focus on providing a family-like environment and long-term care for children who have lost parental care or who are at risk of losing it.
This ensures the holistic development of abandoned and orphaned children in a secure and supportive setting.
Step 3: Final Answer: Therefore, the main aim is to provide family-based, long-term care to orphaned and abandoned children.