Graphics, Illustration and Visual Communication Design Air Btn UI Elements by sxdesign The purpose of the UI elements is to quickly convey complex functions. This design of the general consensus symbol immediately conveys the meaning of the product's function. These UI elements not only represent user communication, but also meet the manufacturing requirements of various products. The different strokes of the outline give the UI elements a delicate feel and also create an integrated visual framework for the product line. These UI elements improve the user experience and reflect the quality of the product and enhance the brand image.