The true meaning of “WC” on toilet signs, which stands for “water closet,” is now becoming clearer to many. In the early days of indoor plumbing, toilets were often installed in spare closets, leading to the term “water closet.” Despite its common use on restroom signs today, many people never understood what “WC” meant until recently, with some expressing surprise online. This kind of obscure knowledge, like the meaning behind the initials of M&Ms or hidden uses for everyday items, is just one example of the random facts the internet continues to reveal.
