1. An area, subject, or situation that one knows well and is comfortable with; territory one has experience with
After years of working in tech, she was on familiar terrain when discussing AI innovations.
Depois de anos trabalhando em tecnologia, ela estava em terreno familiar ao discutir inovações em IA.
2. A physical location or landscape that one knows well from previous visits or experience
The hiking trail was familiar terrain for the experienced mountaineers.
A trilha de caminhada era um terreno familiar para os montanhistas experientes.