You can use the Filtering, sorting & grouping buttons above the view to define what data shows in the view and how it shows. For example, if you group projects by status you'll see group headers that can be opened to reveal the projects in each group:
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If you filter, sort and group the list view and get to some settings you like you can use Saved page settings to save the view so that every time you come back to this page it shows with the same settings.
In the projects and tasks list each cell can be double clicked so you can edit the contents of the cell inline. For example, double clicking a custom field cell we have in our demo account called "Priority" shows a menu so so you can change the value: