This is the 198th most frequent French word.
territoire
An area of land under the jurisdiction of a ruler, state, or group.
Here 'territoire' refers to the physical land or geographical area belonging to the nation.
Le territoire de cette nation est vaste et diversifié.
The territory of this nation is vast and diverse.
In this case, 'territoire' signifies the space or area claimed and defended by an animal as its own.
Les loups marquent leur territoire avec des signaux olfactifs.
Wolves mark their territory with olfactory signals.
Here 'territoire' is used metaphorically to denote a conceptual or thematic domain or area.