pipe(A portion of memory that can be used by one process to pass information along to another. Essentially, a pipe works like its namesake: it connects two processes so that the output of one can be used as the input to the other); pipeline(A software infrastructure that defines and links together one or more stages of a business process, running them in sequence to complete a specific task. Each stage of a pipeline contains one or more pipeline components (COM objects) that can be configured to work with the unique requirements of the site)