Logogram is a noun that refers to a sign or character representing a word or phrase. 

Coming from two Geek words ‘logos’ for ‘word’ and ‘gram’ for letter, our word of the day has been around since the 19th century. Here’s an example:

It wasn’t easy to make sense of all the logograms contained in the graffiti. But it helps to understand that certain letters or symbols have a meaning related to certain words.