The 3 Main Types of Code in MQL5
Translation: An EA is a trading strategy in a coded form. Its capabilities include, but are not limited to, opening and closing positions, sending notifications, creating graphics and storing information.
Translation: A custom indicator is an indicator developed by a MT5 user and not Metaquotes. An indicator processes information from the market using a formula and outputs this information as a value or action.
Translation: A script does something once.