Design thinking is understanding the problem which will help you decide which solution is the best one for the problem
design thinking is empathize the problem
design thinking is to test it to see if the finish project works
design thinking is defining the problem step by step
The meaning of design and thinking is creating new design to figure out a problem or to find a better solution to the problem,creating prototypes is other way to figure out the problem.
https://www.remc.org/21Things4Students/21/15-design-thinking/
This is the video link to the video that I got the diagram from.