Exchange it is a type of contract in which one of the parties is obligated to give something in exchange for something other than financial currency.
Barter is a very common type of contract in the area of publicity and in various other types of business transactions.
It consists of an onerous contract, where one of the parties is obliged to give something that belongs to them in order to acquire a good. In exchange, the exchange can be made for any product that can be sold, it is not necessary that the goods be of the same kind or have the same value.
In advertising, barter usually occurs as a space negotiation for a communication vehicle, such as newspapers, television, etc. In exchange, the advertiser's products or services are exchanged. For celebrities, the barter happens when they exchange their disclosure in the media for some service provision, to be negotiated.
Barter in Biology
Barter, also known in biology as crossing over, it is in a process in which in the homologous paired chromosomes there is an exchange of genetic information.
This permutation occurs during Prophase I and is responsible for the creation of recombinant gametes, that is, chromosomes that have new combinations of alleles.
real estate exchange
There is also real estate exchange, which is a type of contract in which a specific property is given in exchange for the acquisition of another property. In these cases, there is no payment of a monetary value for the property. For example, if a person exchanges his apartment for a house, we are dealing with a real estate exchange.
Permutation
Permutation is an expression used in math, which expresses each of the ways in which a set of elements can be ordered.
Circular Permutation
Substitution of each magnitude by the next and the last by the first. By means of circular permutations of the order 1, 2, 3, 4, the following are obtained: 2, 3, 4,1 / 3, 4, 1, 2 / 4, 1, 2, 3.