This template mainly introduces the four elements of product design. The four elements included in product design include social and natural environmental elements, technical elements, aesthetic elements, and human elements. The template area in the picture is clear, and the frame is clear. The block diagram is a type of illustration of main parts or functions, and the blocks are connected by lines indicating the relationship between the blocks. They are widely used in hardware design, electronic design, software design and engineering in process flow diagrams. Hurry up and save the picture below and use it!