Have you ever worked in finance before?
I have not but the exact definition is the field that deals with the study of investments, I find a lot of it to be so confusing but some people eat it up like peanutbutter!
I know, some many different terms, that I do not understand, do they have a name for people that study this or work in the field of fiances?
It really depends on the field, there are three sub categories that finance can be broken into, public finance, corporate finance, and personal finance. I imagine each subcategory has a different name and companies may have different financial needs and some special titles. 
I see, it really does have a lot to it. What exactly is public finance?
Good question, public finance is the study of the role of the government in the economy. So think allocation of money and resources and government basically.
I see, I feel like our government may not be doing the best job there! So is corporate finance more about big businesses? 
Correct. It is the area of finance dealing with the source of money and capital of corporations. It also includes the actions anagers take to increase the value of the firm to shareholders of that firm and the tools and analysis used to allocate financial resources. There's so much to it it has its own subcategory!
My goodness, I never realized it went so deep. Is there a name for the study of finance or colleges dedicated to studying finances?
Finance
Finance is a field that is concerned with the allocation (investment) of assets and liabilities over space and time, often under conditions of risk or uncertainty. Finance can also be defined as the art of money management. Participants in the market aim to price assets based on their risk level, fundamental value, and their expected rate of return. Finance can be split into three sub-categories: public finance, corporate finance and personal finance.
Areas of finance.
Areas of finance Personal finance.
Matters
announced departures of Jacqueline Leonard and Paul Nicholls who played Lorraine and Joe Wicks. Bradley said, "I have made a decision about leaving EastEnders and I have told the BBC about it. I know it is regular work and you are in the public eye, but it is time to move on. Much as I love playing Nigel, I would not like people to think that was all I did. I did a lot of work before EastEnders and I will after. I don't want to be like some people