Any agreement supposes the agreement of wills between two or more people on any point under discussion or question pending resolution., that is, there is a discrepancy between neighbors due to the property limits of each one, then, in order to resolve the issue, they first discuss it and once they have reached the long-awaited agreement, the scope of the same will be turned precisely into an agreement that can take the following forms: international treaty, collective bargaining agreement or any type of contract that aims to collect the agreement between two parties.
In international treaties, for example, there are two countries, a state with an international organization or two international organizations that agree on some point that was under discussion. The most common is the one that is celebrated between states and these usually include issues of geographical boundaries.
On the other hand, collective labor agreements are contracts through which a union or group of unions agree in writing on a myriad of issues, such as leave, vacations, wages, working conditions, training, dismissal regime , classification of professional categories, among others, with employers.
And finally, a contract is the oral, private or written agreement between two or more parties in which both are obliged to comply with the issues on which they agreed at the time of the dialogue stage.