What´s Direct Democracy?

The word democracy makes me depict a direct democracy, when thinking of a direct democracy I vividly envision an enormous mass of people, all expressing their opinions and beliefs without worries. A direct democracy is where members of the community vote on all issues, rather than a group of officials voting in their place. The assembly of people listening have diverse ethnic backgrounds, religion, social class, and occupation, all of these people are crowding around a tiny wooden podium in the center of the crowd. They are lining up to come to a conclusion about a new topic, although there is a large amount of people, a democracy is an efficient way to vote on issues. In a democracy, it's the people or the crowd who decides. This means