THE process was that you find some one with an item and you trade them your item for there item until an update that occurred that wont let you trade items more that to cost of the other which is now called a trade limit
bartering
bartering
It seems there is a typo in your question. Did you mean "barter system"? The barter system is a method of exchanging goods and services without using money. Participants trade items of equivalent value directly with each other, relying on mutual agreement and need.
The system of exchanging goods. A+
bartering
the system of exchanging goods
The system of exchanging goods. A+
Commerce can be defined as buying and and selling and exchanging of goods and service or it is the study of buying of goods and service
Barter
exchanging goods and/or services with the use of money
Trade is the answer for your question.
By exchanging goods and services - money had not been invented.