As humans, we exist in a three-dimensional world, so it is challenging to imagine or visualize what a four-dimensional being would look like. Our perception and experience are limited to three spatial dimensions (length, width, and height) and one temporal dimension (time).
Mathematically, four-dimensional space can be described, but it is difficult for us to conceptualize it directly. One common method used to visualize higher dimensions is through analogies or projections. For example, a two-dimensional being living in a flat plane could only perceive a slice or cross-section of a three-dimensional object passing through its plane. Similarly, a three-dimensional being could perceive a cross-section of a four-dimensional object passing through its three-dimensional space.
In some mathematical models, a four-dimensional being might be described as an extension of our three-dimensional form. It could be imagined as a complex arrangement of interconnected three-dimensional "slices" or volumes, with additional spatial dimensions extending beyond our perception.
However, it is important to note that these are mere analogies or speculative visualizations. Our human perception and understanding are fundamentally rooted in three dimensions, so it is exceedingly difficult to accurately depict or comprehend what a genuine four-dimensional being would look like or how it would interact with its environment.