1. Areas or rooms within the inside of a building or structure, as opposed to exterior or outdoor areas
The interior spaces of the museum were beautifully decorated.
Os espaços interiores do museu eram lindamente decorados.
2. In architecture and design, the usable areas within a building that are enclosed by walls and a roof
The architect designed the interior spaces to maximize natural light.
O arquiteto projetou os espaços interiores para maximizar a luz natural.