What is the difference
"exactly" "absolutely" "definitely" "centainly"
The four words I I think they have similar meanings. I don't know very well .
Can you help me?
I will appreciate that

Question

What is the difference
"exactly"   "absolutely"  "definitely" "centainly"
The four words I I think they have similar meanings. I don't know very well .
Can you help me? 
I will appreciate that

Answer

"Exactly" is used when an idea is very precise in what it communicates.
"Absolutely" is used when you want to strongly reaffirm what has been said.
"Definitely" is used when you want to stress how clearly correct the statement is.
"Certainly" is often used in correlation to the truthfulness of a statement.