In the individual phases of the design thinking process, there are many different methods that can be applied by the team. One frequently used method that many companies use is the so-called What-How-Why method, which records what the target group does, how they do it, and why. In addition, the design thinking approach often involves conducting interviews with users in which targeted first-hand information can be obtained. Based on such interviews, personas of target groups can then be created, for example.