noun which may take the genitive case particle 'no', noun
one direction; unidirectional; non-interactive
Describes movement, communication, or flow that goes only one way, without return or interaction. Often used in technical contexts like data transmission or traffic.
この通りは一方向の一方通行です。
This street is a one-way street in one direction.
一方向のデータ転送のみ可能です。
Only unidirectional data transfer is possible.
双方向 means bidirectional or two-way, the opposite of 一方向.
Compound of 一 (one) and 方向 (direction).