What is Murrini (Murrine) and Millefiori?

Murrini: Are colored glass images made into a glass cane. These images are revealed when the cane is cut into thin cross-sections. Murrini can be made into simple images or extremely complex images.

Millefiori: Is a type of murrini that looks like simple flowers. The name Mille means thousand or many in Italian and fiori means flowers in Italian.