Everything we do in PowerShell revolves around working with objects. Objects, in PowerShell, may have properties or methods (or both). It is difficult to describe an object without resorting to this; an object is a representation of a thing or item of data. We might use an analogy to attempt to give meaning to the term.
A book is an object and has properties that describe physical characteristics, such as the number of pages, the weight, or size. It has metadata (information about data) properties that describe the author, the publisher, the table of contents, and so on.
The book might also have methods. A method affects the change on the state of an object. For example, there might be methods to open or close the book or methods to jump to different chapters. A method might also convert an object into a different format. For example, there might...