Read only memory
If you are referring to sets of letters, then yes. But if you are referring to individual letters, they are called letters, not alphabets.
The letters in the word "personality" do not stand for anything. "Personality" is not an acronym.
The word is 'Heroine'. He, referring to a man, Her, referring to a woman, Hero, referring to a great man, Heroine, referring to a great woman.
Angel is a word not an acronym.
The verb "to do" is 'suru' or 'yaru' in Japanese.
heroine
Letters that stand for parts of a name are called initials.
The letters DL stand for the word Deluxe.
If one is referring to the word cici and not the acronym CC then it does not stand for anything, but is actually the name of a Municipality in the country of Azerbiajan.
The letters of the word pride stand for nothing of themselves. Together they spell the word, nothing more. A variety of different acrostics however have been developed for the word pride. No one of them is correct for everyone or every organization.
Alphabet
The letters gd are an abbreviation that stand for the word good. Teachers would often use these letters when grading students exam papers and homework.