1. a subject of discussion or interest that is frequently talked about or widely shared among people
The weather is a common topic of conversation.
O clima é um assunto comum de conversa.
2. a theme or subject that appears repeatedly in literature, art, or discourse
Love and loss are common topics in poetry.
Amor e perda são assuntos comuns na poesia.
3. in logic and rhetoric, a traditional formula or argument used repeatedly
The decline of society is a common topic in classical rhetoric.
O declínio da sociedade é um assunto comum na retórica clássica.