For example, IE has imbedded VBScript interpretor. In programming, each command line is called a statement . Statements must be separated by semicolon, unless you have a line break. So the semicolon in our example could have been omitted. This means that a chunk of code is created as an 'object' with certain behaviors that are specified by the coder.
Methods are functions that are defined in an object.
You will be creating various functions soon. If this sounds confusing to you, think of an object as a car. Say the car's name is 'Rock'. Rock has a method called 'forward' that turns the wheel to let you drive forward. Objects also have 'properties'.