noun, noun which may take the genitive case particle 'no'
bidirectionality; interactivity
Technical term used in computing and communication to describe systems where data or interaction flows in both directions.
This protocol supports bidirectionality.
Design a communication system with interactivity.
双方向 is an adjective or noun meaning 'two-way' or 'bidirectional', while 双方向性 adds the suffix 性 to express the quality or property of being bidirectional.
Compound of 双方向 (sōhōkō, 'bidirectional') + 性 (sei, 'property, nature'). The exact historical derivation is uncertain, but it follows a common pattern for forming abstract nouns from adjectival stems.