1. A minor or peripheral detail of little importance to the main subject or central issue
The color of the background was just a marginal detail that didn't affect the painting's overall impact.
A cor do fundo era apenas um detalhe marginal que não afetava o impacto geral da pintura.
2. In academic or professional contexts, supplementary information located at the edges or periphery of a document or discussion
The author included marginal details in footnotes to avoid cluttering the main narrative.
O autor incluiu detalhes marginais em notas de rodapé para evitar sobrecarregar a narrativa principal.