👉 Undercasing is a method of writing or typing where each letter in a word is written below its corresponding capital letter. This can be done by using special characters like " _ ", which are placed before each letter, and also by using lowercase letters instead of uppercase ones. For example: - In the word "hello", "h" would be written as "he". - In the word "world", "w" would be written as "wr". Undercasing is often used in writing