Abu na farko da muke buƙatar kafawa shine "Mene ne ainihin ƙimar refresh?"Abin farin ciki ba shi da wahala sosai.Adadin wartsakewa shine kawai adadin lokutan nuni yana sabunta hoton da yake nunawa a sakan daya.Kuna iya fahimtar wannan ta hanyar kwatanta shi da ƙimar ƙima a cikin fina-finai ko wasanni.Idan an harbi fim a firam 24 a sakan daya (kamar yadda yake a matsayin silima), to abin da ke cikin tushen yana nuna hotuna 24 daban-daban a sakan daya.Hakazalika, nuni tare da ƙimar nuni na 60Hz yana nuna "firam" 60 a sakan daya.Ba ainihin firam ɗin ba ne, saboda nunin zai wartsake sau 60 a kowane daƙiƙa ko da ba pixel ɗaya ya canza ba, kuma nunin yana nuna tushen ciyar da shi kawai.Koyaya, kwatankwacin har yanzu hanya ce mai sauƙi don fahimtar ainihin manufar da ke bayan ƙimar wartsakewa.Mafi girman ƙimar wartsakewa don haka yana nufin ikon sarrafa ƙimar firam mafi girma.Ka tuna kawai, cewa nunin yana nuna tushen da aka ciyar da shi kawai, sabili da haka, ƙimar wartsakewa mai girma bazai inganta ƙwarewar ku ba idan ƙimar wartsakarwar ku ta riga ta wuce ƙimar firam ɗin tushen ku.

Lokacin da ka haɗa na'urarka zuwa GPU (Graphics Processing Unit/Katin Graphics) mai saka idanu zai nuna duk abin da GPU ya aika masa, a kowane nau'in firam ɗin da ya aika, a ko ƙasa da matsakaicin adadin firam ɗin na'urar.Matsakaicin firam ɗin sauri yana ba da damar yin kowane motsi akan allo cikin kwanciyar hankali (Fig 1), tare da rage blur motsi.Wannan yana da mahimmanci yayin kallon bidiyo ko wasanni cikin sauri.