Alternatively, we can accept the simple theology of Jesus the Christ as taught in Mark 12:
One of the teachers of the law asked Jesus:
“Of all the commandments, which is the most important?”
“The most important one,” answered Jesus, “is this: ‘Hear, O Israel: The Lord our God, the Lord is one.”
Perichoresis is a term used in Trinitarian theology to describe the mutual indwelling relationship between Father, Son and Spirit. It derives from language related to dance (hence, choreography). This dance also occurs in the mind when trying to pin ideas down.