Qeexida qaamuuska ereyga "tusaale" waa in uu u adeego sidii tusaale caadi ah ama wakiil shay ah, ama in la muujiyo ama lagu muujiyo tayada ama dabeecad gaar ah iyada oo la adeegsanayo ficilka ama erayada qofka. Waxa kale oo ay macnaheedu noqon kartaa in la sawiro ama la tilmaamo sifo gaar ah.