Projects are great for grouping activities together. You can think of projects as office folders or drawers, in which you put activities that belong together.
Typical projects would be: customers, training, learning, hobbies, trips, work, ...
"Activity Time Recording" should remain as simple as possible. That is why there is no additional customer management. If you want to summarize the working times for a customer, you can create a project with the customer name.
