Configuring the User Interface
Upon starting K3b you are offered quick starts to the three most popular processes
New Data Project
New Audio CD Project
Copy Medium
K3b can perform much more than these tasks though, and so you may find that some of the other possibilities are just as useful to you. Take a look at this list for a taste of other available functions:
Perhaps a quick start for one or more of these other tasks would be useful to you and so K3b can give you that, too. Simply right click on the application desktop, and here you will see a menu for adding buttons: