This firsthand.-
Adjective.- Direct form the source.
Example: Firsthand knowledge
Adverb.- From the source; directly
I learned firsthand not to disagree (Differ, To fail to agree). I agree i think the same of you.
Witness.-
Verb.- To see, hear, or know by personal presence and experience:
Bob witness the crime.
Noun.- A person who has witnessed something, esp. one who is able to declare what has taken place:
A witness to the accident.
Draw.-
Withdraw.- To take (money) from a place of deposit.
Account.-
Money in bank
Customer
Narrative .- Report, Story
Explanation
Account for (cause)