The Trikaya doctrine (Sanskrit, literally "Three bodies or personalities"; 三身 Chinese: Sānshén, ) is an important Buddhist teaching both on the nature of reality, and what a Buddha is. By the 4th century CE the Trikaya Doctrine had assumed the form that we now know. Briefly the doctrine says that a Buddha has three kayas or bodies: the nirmanakaya or created body which manifests in time and space; the sambhogakaya or body of mutual enjoyment which is a body of bliss or cl… (More on Trikaya)