Trump has been de-platformed because they state he was inciting violence, and nothing can be further from the truth.
The bottom line is that this is far from over and part of the process of destroying the system, culture and idea that we have believed to be the United States.
An election is a way people can choose their candidate or their preferences in a representative democracy or other form of government. The legislature chooses the government, usually by majority vote in the legislature. Some democracies elect a president, who then selects the government.