Being Your Ally

Carl Sagan explaining, years ago, that the unseen isn't necessarily the nonexistent.

There may even be more than 4 dimensions. The current accepted scientific theories one can find suggest there may be around 10 dimensions in our universe. In the case of the theoretical multiverse, there may exist dimensions numbering in the 20s in some unstable universes.

In any case, we weren't born with the tools to observe more than 3 dimensions, although we can deduce by observing the indirect evidence, or 'shadows', of more. Is it important enough to spend precious time thinking about them, then? You be the judge.

Just know that the sum of those observations is something currently indescribable.