What do all capital letters typically refer to in writing?

Question

In many error messages and conversations, I come across words in all capital letters, as demonstrated in the examples below. > ERROR: Please type your e-mail address. or > ME: I can't make it SHE: I HATE you. ME: I'm soo sorry. What is the typical meaning of or reason for these words written in all capital letters?

Answer 1

When you type in all caps on line, it is the equivalent of shouting.