Qufullada casriga ah ee aqoonsiga wejiga, bandhigyadu waxay u adeegaan sidii is-dhexgal muhiim ah oo loogu talagalay tilmaamidda xaaladda, hagidda luqado badan, iyo aqoonsiga wejiga oo la xoojiyay (ra'yi celinta waqtiga dhabta ah, ogaanshaha noolaanshaha). Waxay isku daraan hawlo badan (gelinta erayga sirta ah, gambaleelka albaabka fiidiyowga, digniinaha) iyagoo wanaajinaya UX (habaynta, qaababka awoodda yar) iyo amniga (shaashadaha asturnaanta, qufulka otomaatiga ah).