And the LORD appeared to him by the oaks of Mamre, as he sat at the door of his tent in the heat of the day.
▸God appears to Abraham in the form of three visitors.
God appears to Abraham in the form of three visitors. 'The oaks of Mamre' is the place where Abraham built an altar to the LORD (Gen 13:18), already a place of spiritual significance. The specific time description 'in the heat of the day' shows the vivid historicity of this story.