Transaction Costs
The cost incurred in making an economic exchange. For example, most people, when buying or selling a stock must pay a commission to their broker; that commission is a transaction cost of the stock deal.
Or consider buying a banana from a store; to purchase the banana, your costs will not only be the price of the banana itself, but also the energy and effort it requires to find out which of the various types of banana you prefer, where to get them and at what price, the cost of traveling from your house to the store and back, the time waiting in line, and the effort of the paying itself; the costs above and beyond the cost of the banana are the transaction costs. (Source - Wikipedia)
Or consider buying a banana from a store; to purchase the banana, your costs will not only be the price of the banana itself, but also the energy and effort it requires to find out which of the various types of banana you prefer, where to get them and at what price, the cost of traveling from your house to the store and back, the time waiting in line, and the effort of the paying itself; the costs above and beyond the cost of the banana are the transaction costs. (Source - Wikipedia)