1. A border between countries or regions that allows for flexible movement, trade, or passage with minimal restrictions or controls
The Schengen Area established a flexible border system allowing free movement across European nations.
A Área Schengen estabeleceu um sistema de fronteira flexível permitindo livre circulação entre nações europeias.
2. A demarcation line that can be adjusted or modified based on agreements between parties
The flexible border agreement between the two regions allowed for seasonal trade adjustments.
O acordo de fronteira flexível entre as duas regiões permitiu ajustes comerciais sazonais.
3. A boundary that accommodates varying degrees of access or permeability depending on circumstances
The flexible border policy made it easier for cross-border workers to commute daily.
A política de fronteira flexível facilitou o deslocamento diário de trabalhadores transfronteiriços.