通つう信しん規き約やく

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Meanings

1

noun

computing

Computing term for a set of rules governing data communication.

通traffic, pass through, avenue

信faith, truth, fidelity

規standard, measure

約promise, approximately, shrink

プロトコル
Common loanword for 'protocol' in computing contexts; 通信規約 is a more formal, native Japanese equivalent.

Compound of 通信 (communication) and 規約 (agreement, rules).