single direction
- arrowPointed shaft for shooting
- forwardOnward in direction
- straightNot curved or crooked
- linearArranged in straight succession
- pathRoute for traveling
flow · current · stream · vector · trajectory · one-track · irreversible · momentum · lane · channel · course · heading · route · funnel · tunnel · chute · slide · conveyor
directionality count
single directionmultidirectional
Able to move anywhere
omnidirectional · every which way · 360 degrees · free-ranging · multidimensional
reversibility of flow
single directionbidirectional
Operating in both directions
two-way · back and forth · both directions · multidirectional · omnidirectional
flexibility/constraint
single directionunrestricted
Having no limitations
unconstrained · free-flowing · flexible · open-ended · versatile