This tutorial is about objects - the building blocks of an experiment. E-Prime uses object-oriented programming, which means that the user selects pre-designed objects from the E-Prime toolbox, and then arranges and modifies them to suit his experiment.
Each object has properties and methods. Properties are descriptors of an object - for example, shape, color, and size. Methods are actions done by the object, such as terminating after a button response. By modifying these basic elements we can create an experiment, similar to how melodies and harmonies are arranged to create a piece of music.
The next tutorial will focus on the more versatile Slide object, as well as more advanced properties that give you greater control over your objects. Once these fundamentals are mastered, it becomes easier to build an experiment to more precisely reflect your tastes - a match between what you envision and what you create.