children's territory-capturing game
A game where players try to occupy each other's home base; similar to capture-the-flag variants.
After school, we played a territory-capturing game in the schoolyard.
taking a place; securing a position
Figurative use for gaining a foothold or establishing oneself in a competitive context.
The scramble to secure a position in the new market is intensifying.
Compound of 陣 (camp, position) and 取り (taking), from 取る (to take). The exact historical derivation is uncertain, but the word likely originated from military or strategic contexts before becoming a children's game term.