comedies dell'Arte meaning and general ideas

Commedia dell’arte  is a form of theatre characterized by masked “types” which began in Italy in the 16th century and was responsible for the advent of the actresses andimprovised performances based on sketches or scenarios. The closest translation of the name is “comedy of craft; it is shortened from commedia dell’arte all’improvviso, or “comedy of the craft of improvisation”. Originally, it was called commedia all'improviso. This was to distinguish the form from commedia erudita or learned comedy that was written by academics and performed by amateurs.
*Taken from wikipedia
Below are pictures that show examples of Comedies Dell Arte:

Shown in full colour.

All characters shown in the above pictures are from the play its self.These include those who are in masks and those who are not.We can see the level of detail in each characters design and how they are shown in different ways to express their character traits.The Comedies dell Arte is geared more towards