ACCA? ICAEW? CIMA? im getting confuse?

what is CIMA? is it about finance?

ACCA is it about account?

ICAEW is it about finace and account?
im getting confused about what i want to study in the future.
my planning is to study CAT, then ACCA then ICAEW. but a friend of mine says that CIMA is better. is it true?