What is the definition of planographic printmaking?

Planographic printmaking is the process that exploits the antipathy between grease and water. On a stone or aluminum plate, the artist draws or paints with a greasy medium. The stone or plate is etched with gum Arabic and acid, making the drawn areas attract ink and the non-image area reject ink.

(I know nothing about this, I just googled it lol but I hope it helps! :3)

answeras live actors preforming in the same room as a live audience;