Unidirectional vs. Bidirectional — What's the Difference?

Difference Between Unidirectional and Bidirectional

Moving or operating in one direction only

A unidirectional microphone.

Moving or operating in two usually opposite directions

Bidirectional data flow.

Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space.

Moving in two directions (usually opposite)

A fabric in which the majority of fibers run in the same single direction.

Operating or functioning in two directions (usually opposite)

Operating or moving or allowing movement in one direction only;

A unidirectional flow

A unidirectional antenna

A unidirectional approach to a problem

Such an antenna or microphone

Reactive or functioning or allowing movement in two usually opposite directions