1. A community or settlement that develops outside formal legal frameworks, often characterized by self-built housing, lack of official infrastructure, and limited government services
Many families in the city live in informal communities without access to basic utilities.
Muitas famílias na cidade vivem em comunidades informais sem acesso a serviços básicos.
2. A social group organized around shared interests, values, or characteristics that operates without formal institutional structure
The informal community of local artists gathered regularly to share their work.
A comunidade informal de artistas locais se reunia regularmente para compartilhar seus trabalhos.