noun
action statement
Computing term for a statement that performs an action, as opposed to a declaration or control statement.
このプログラミング言語では、代入文は単純実行文に分類される。
In this programming language, assignment statements are classified as action statements.
Compound of 単純 (simple) + 実行 (execution) + 文 (statement), likely a calque from English 'action statement' in computing contexts.