God gives Moses direction for building the bronze altar of sacrifice, the courts and walls of the tabernacle, and the clothes for the priests.
How this is about Jesus
Jesus is the sacrifice that goes on the altar.
He breaks down walls that kept out non-Jews from worship in the temple.
He represents His people, as the priest did by wearing the twelve jewels.
The robe and breastplate signified holiness, which only Jesus truly had in Himself.
Sins this reveals
Because of our sin, we need an altar to put a sacrifice to God upon, and we need a priest to mediate for us - to represent us to God, and bring us near to Him.