instance variableprovides storage location used by single method of an instance of class the variable is defined within method instance variables are considered safer than class variables because only one method of the class can access them data is passed between methods using argumentswhich allows for controlled checks of incoming data and better control over data management instantiationperforms the act of creating an instance of class the resulting object is unique class instance methoddefines the term used for functions that are part of class even though function and method essentially define the same elementmethod is considered more specific because only classes can have methods objectdefines unique instance of class the object contains all the methods and properties of the original class howeverthe data for each object differs the storage locations are uniqueeven if the data is the same operator overloadingcreates more than one version of function that is associated with an operator such as+-/or *which results in different behaviors the essential task of the operator may be the samebut the way in which the operator interacts with the data differs operator overloading is used to provide flexibility so that an operator can work with applications in various ways considering the parts of class class has specific construction each part of class performs particular task that gives the class useful characteristics of coursethe class begins with container that is used to hold the entire class togetherso that' the part that the first section that follows discusses the remaining sections describe the other parts of class and help you understand how they contribute to the class as whole creating the class definition class need not be particularly complex in factyou can create just the container and one class element and call it class of coursethe resulting class won' do muchbut you can instantiate it (tell python to build an object using your class as blueprintand work with it as you would any other class the following steps help you understand the basics behind class by creating the simplest class possible