Unlike the letters, these don't have any hard and fast meanings — they're just numbers. However, they are still controlled by rules laid out by the AFI 16-401. At least, that's the idea.

Like Roman numerals, their system borrowed letters; like the Arabic numerals we still use, it only needed one symbol for each decimal place. In the 6th century BCE, the Greek alphabet used 24 letters.

Thousands of Confederate symbols are standing in public spaces around the nation despite ongoing efforts to have them removed or renamed. More than 2,000 Confederate symbols, including 685 ...

We'll show you one Kanji from each episode, related to the skit, explanation, or Trip tip. You’ll learn what it means and how it’s pronounced. To Apps for learning Japanese letters, please ...

Laundry symbols are a guide to the best way to care for your clothes. Here's what each of the washing symbols mean and how to use them.