The Process area, which is always available and visible, holds all the tasks, branches, conditions and comments that make up the selected process. The Process area is built like an invisible grid divided by rows (horizontal) and columns (vertical). When adding a new Action Task, a new row is added. When adding a Branch or Condition, a new column appears (unless there is already a column at that level).
The first task of any process, also called the initial input task, always appears in the first box in the upper left corner. When you create a new process, this first task is always followed by the default output task in the following box.