Rikrieshan a haktiviti a leja, ah leja a diskreshaneri taim. Di niid fi du sinting fi rikrieshan, expres az ""du sinting bifuo sinting du yu,"" a wah isenshal eliment a yuuman bayloji ah saikaloji. Rikrieshanal aktiviti noftaim du fi injaiment, amyuuzment, ar pleja ah kansida fi bi ""fon"".