1. A subject or theme that has been previously mentioned, discussed, or agreed upon in a conversation or text, and is recognized by participants as a known reference point
The established topic of the meeting was budget allocation for the next quarter.
O tópico estabelecido da reunião era a alocação orçamentária para o próximo trimestre.
2. In linguistics and discourse analysis, information that has already been introduced and is commonly known to all parties in the conversation
Since climate change is an established topic in this debate, we can move forward with specific solutions.
Como mudanças climáticas é um tópico estabelecido neste debate, podemos avançar com soluções específicas.