Gradient ultra-simple poster design

Quick answer：

Gradient ultra-simple poster design refers to the creation of a poster using a smooth transition of colors. This design technique is often used to convey a sense of flow or movement, and can be achieved through various software tools such as Adobe Photoshop or Illustrator. Simple gradient designs are favored for their clean and modern look, making them suitable for a wide range of applications including marketing, events, and social media promotions.