Use the Inbox to create quick tasks that are not associated with a specific project. You may also create dynamic filters to set parameters and always display the tasks that you would like to see, from all projects.
To create a task on your inbox page simply click on Add a task, write a name for it, and press enter. The task will be created and assigned to you by default.
You can click on the clock icon to set a due date and time or click on the tasks to display more options.
Click on Filter tasks from any project to display tasks or subtasks filtered by different categories such as project, status, assigned user, and dates.