1. A conventional, traditional, or widely accepted subject matter, topic, or motif that adheres to established principles or doctrines
The film relies on an orthodox theme of good versus evil.
O filme se baseia em um tema ortodoxo de bem contra mal.
2. In religious, artistic, or academic contexts, a theme that conforms to traditional doctrine or canonical interpretation
The painter explored an orthodox theme from Christian theology.
O pintor explorou um tema ortodoxo da teologia cristã.