The left column has four sections:
View selection and data filter
Project spaces
Select a Project to work on in the Project spaces section. All first level projects are placed in the Project spaces section. In a single project space you create a hierarchy of items of different types.
Categories
In Categories you select if you want to work only with certain types of items within projects.
Filter
In the Filter you set view conditions such as viewing all items or just those that are not finished. There you also set boundaries for start and finish of items you like to view.
Sort
In the Sort section you select in which order your items and projects appear.
