artistic representation of one or more persons

A portrait is a painting or a photograph of a person's face and its expression. The purpose of a portrait is to show the likeness, personality, and even the mood of the person. For this reason, in photography, a portrait is actually not a snapshot, but a calm image of a person in a still position. A portrait normally shows a person looking directly at the painter or photographer.

An example of a portrait showing the painter Vincent van Gogh. It is a self-portrait because van Gogh is also the person who made the portrait.
Anthony van Dyck, Charles I in Three Positions, 1635-1636, shows profile, full face and three-quarter views, to send to Bernini in Rome, who was to sculpt a bust from this model.

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