Practice your foreign language by chatting with a native speaker (ChatRoom is useful to easily learn and communicate in a foreign langage when you are not skilled in speaking)

A seller is a person who sells something ( a good or a service ). For exemple, a personn who look for a job will sell is services to a compagny.

A buyer is a person who buys; he is also called a purchaser or a customer.

A free service means a service done for free (helpful, free of charge, without charge, for nothing, gratis...).

A chat room here is an online platform that enables (buyers and sellers) to communicate with each other in real time.

A chatbox here is a graphical user interface element that allows (buyers and sellers) to type and receive messages in real-time.

A Contrubutor here is a person or company that contributes something (buy or sell). A contributor here is someone who takes part in something or makes a contribution (buy or sell). Here the Contributor is (A Buyer or A Seller).

Goods and services : the products and services that are bought and sold in an economy. Goods are also called products or commodities.

A service is a solution to a customer's problem (issue, difficulty, trouble, worry) by offering your expertise, time and skill.