Incarnation literally means embodied in flesh or taking on flesh. It is the conception and the embodiment of a deity or spirit in some earthly form or an anthropomorphic form of a god. It is used to mean a god, deity, or Divine Being in human or animal form on Earth. The proper noun, Incarnation, refers to the union of divinity with humanity in Jesus Christ.
Christ Pantocrator, God incarnate in the Christian faith, shown in a mosaic from Daphni, Greece, ca. 1080–1100.
Ten incarnations of Vishnu (Matsya, Kurma, Varaha, Vamana, Krishna, Kalki, Buddha, Parshurama, Rama & Narasimha). Painting from Jaipur, now at the Victoria and Albert Museum
Hypostatic union is a technical term in Christian theology employed in mainstream Christology to describe the union of Christ's humanity and divinity in one hypostasis, or individual personhood.
The oldest known icon of Christ Pantocrator at Saint Catherine's Monastery. The two different facial expressions on either side emphasize Christ's dual nature as both divine and human.