1. Qhov pib tshaj tawm thiab kev ua haujlwm nrawm, paub txog qhov screen annotation hauv txhua lub computer interface, tus cwj pwm xaiv tus cwj mem cias, txhuam txhuam thiab txhuam thiab zoo li ntawd, cov xim nplaum annotation yuav tsum teev, eraser erasure thaum twg los tau, cov ntsiab lus ntawm qhov annotation yuav txuag tau thiab luam txhua lub sijhawm;
2. Function nas, cwj mem hluav nib yog sib npaug ntawm sab laug nas khawm, cwj mem lub cev khawm kom sib npaug rau txoj kev cai nas. Siv cov cwj mem hluav taws xob caum ua kom tiav, nias, xaiv, luag, khawm khawm thiab lwm yam zog;
3. Kev sib tham hauv cov hluav taws xob hauv hluav taws xob hauv kev tshawb rov qab thiab kev hloov tshiab.
4. Cov cuab yeej pabcuam: Siv cov Vaj Huam Sib Luag Ntaus Nthuav kom tiav cov ntsiab lus ntawm kev ua kom pom tseeb, cov teebmeem, saib cov duab, saib cov ntawv qhia, kev tshuaj ntsuam xyuas, thiab kev siv cov nta kev cai, txhua lub sijhawm hu rau computer application lossis nkag mus rau txheej ntawm nplooj ntawv.
5. Vijtsam kev ntes, txheej tshuab, kev ua duab nraaj, kev teeb tsa zoo li qub, ua kom muaj kev sib txig sib luag thiab sib txig sib luag. Nwg kuj tseem ua tau kuas cov num ntawm lub lag luam, txhim khu kev qha hab theem zoo.
6. Ua haujlwm tsis txaus sau ntawv;
7. Kev Sau Npe Tawm Ua Yeeb Yam, muaj peev xwm ua tau raws li cov txheej txheem khiav lag luam, xaiv hom lus, thiab tom qab ntawd sau.
