portrait: artistic representation of one or more persons

studio: working place set aside for artist to work, the term is generally applied to workspaces used by artists creating fine art, particularly art dating from the 16th century to the present

human pregnancy: time of human offspring development in mother's body

old age: consists of ages nearing or surpassing the life expectancy of human beings

bust: representation of the upper part (head, neck, and a variable portion of chest and shoulders)

arm: forearm and upper arm together without hand and shoulder