you understood

== English == === Noun === you understood (uncountable) (grammar) The unstated subject of a command sentence, where it is assumed the subject is the person to whom the command is directed. ==== Usage notes ==== Sometimes hyphenated: you-understood. In linguistics or language-teaching materials, the unstated subject itself is usually shown as (you), as in "(you) don't walk on the grass". === References === https://www.english-grammar-revolution.com/imperative-sentence.html Principles of English Grammar, Used by the Brothers of the Christian Schools. John P. Murphy (1890), page 66