All capital letters meaning

/ˌɑːlˈkæps/ capital letters (= letters of the alphabet in the form and larger size that is used at the beginning of sentences and names), used especially in order to emphasize something or show that you are angry: Using all caps is considered yelling online.

1. What does it mean when someone writes in all capital letters?
2. What do you call a word with all capital letters?

What does it mean when someone writes in all capital letters?

WHEN YOU WRITE IN ALL CAPS IT SOUNDS LIKE YOU'RE SHOUTING. Using capital letters to indicate strong feeling may be the most famous example of typographical tone of voice.

What do you call a word with all capital letters?

Some acronyms and abbreviations are written using all uppercase letters, such as NASA and U.S. A word written entirely in uppercase letters (like WHAT) is said to be written in caps or all caps.