The meaning of a rectangle shape is “door”. It speaks of “the way through” or “access” and “opportunity”. This symbol was already added to the updated dictionary that is released at the end of January.
Your interpretation is correct. The dream speaks of spiritual breakthroughs and restoration and an outpouring of the Holy Spirit. God is putting things in place and preparing you to carry out great work in the body of Christ. There will be financial and spiritual blessings in the lives of people and in the body of Christ.