noun
contextual declaration
A computing term for a declaration that provides context, such as in programming languages or markup.
XMLでは、文脈宣言によって名前空間を指定することができる。
In XML, namespaces can be specified through contextual declarations.
Compound of 文脈 (context) and 宣言 (declaration). The exact origin is uncertain; it likely arose as a technical translation in computing contexts.