attr_accessor <:variable_list> ¶ Dynamically defines accessor methods for one or more class properties. In a modal, defines one or more values that you don't want to store in the database directly and that will only exist for the life of the object.

<class>.new ¶ Instantiate a class.

def initialize(<variable_list>) ¶ Define the constructor for a Ruby class.

def <method_name> ¶ Define a method, or the getter of a property.

def <method_name>=(<variable>) ¶ Define the setter of a property.

def self.<name>(<variable_list>) ¶ Define a class method for a Ruby class.

def to_s ¶ Defines the method that returns a string representation of the object.

ObjectSpace.each_object(<class_name>) ¶ Iterate through each instance of a Ruby class.

rescue ¶ Designates an exception-handling clause.

yield ¶ Execute a block.