What does it means the visa application blacklist...

We would like to inform you that if you want to make sure that your name is still included in the black list , you have to review the general directorate of residence to check the presence or absence of your name within the banning lists (black-lists ).
If you find your name still on the blacklist, you can apply for a plea to the party that asked to put your name on the ban lists from entering the UAE, with the application, you have to attach a copy of your residence in addition to a work offer if any so as to increase the chances of accepting the plea deal.
Also, black lists mean that a person is prohibited from entering the country