Crossed parallax refers to a phenomenon where an object appears to shift its position when observed from two different viewpoints. Synonymous terms for crossed parallax include stereoscopic parallax, binocular parallax, or 3D parallax. These terms are commonly used in contexts such as 3D movies, virtual reality (VR) experiences, or even scientific experiments that involve perceiving depth. The concept of crossed parallax is essential for creating an immersive visual experience, enabling viewers to perceive depth and dimensionality by combining two slightly different perspectives. These synonyms highlight the various ways this optical illusion is described, emphasizing the significance of crossed parallax in modern visual media and technologies.