The transform property in CSS allows you to visually manipulate elements in two-dimensional space. With this property, you can move, resize, rotate, or skew elements directly from your stylesheet, enabling dynamic layouts and engaging user interfaces. The most commonly used transform functions are translate, scale, rotate, and skew. Each function alters the appearance of an element in a unique way:

• translate moves an element along the X and Y axes;
• scale resizes it;
• rotate turns it around a fixed point;
• skew slants it horizontally or vertically.

When you use more than one transform function together, you can create complex and visually interesting effects. For instance, you might want to move and rotate an element at the same time, or scale and skew it for a dynamic look. In the square div example, you could write transform: translate(40px, 20px) rotate(30deg); to both move and rotate a square. The order of functions matters, as each transformation is applied in sequence, affecting the final appearance.