When you are planning your project you can use the list view to create tasks and milestones fast

When you want to organize these tasks and milestones you can move them into the right timely order

Press and hold on a netplan card to start the dragging mode

Now all possible drop zones are displayed

Drag the netplan card to a drop zone. As soon as the drop zone highlights, you can drop the netplan card.

The dragged netplan card is now organized into the netplan

Open the three-dot menu of the task or milestone and press on Move task (1)

Select the predecessor or successor by clicking on the connector icon left or right of the task (2)

Move your preferred task via drag and drop in the list or move a task inside a summary task

The Timeline view gives you an overview of your organized tasks and milestones

Now you can continue to plan your project and create dependencies