noun
Computing term for a specification that defines how software components interact.
このライブラリの引用仕様は公開されています。
The interface specification for this library is publicly available.
Common loanword for 'interface', used broadly in computing and everyday contexts. 引用仕様 is a more formal, technical term specifically for a specification document.
Compound of 引用 (citation, reference) and 仕様 (specification). The term likely arose in software engineering to describe a specification that is referenced or cited by other components.