簡かん易い書かき留とめMeaningsNoun1. simplified registered mail; recorded deliveryKanji used簡simple易easy書write留hold in placeComposed of簡かん易いsimple; simplified; easy; plainNa-adjective書かき留とめregistered mail; registered post; registration (of mail); (putting on) record; writing down; noting down; registryNoun