Inside the ark were 3 things. The 2 tables of the Law. A golden pot of manna and Aaron's rod that budded. The Ark of the Covenant was where Gods justice and judgement toward sin was satisfied. It is referred to almost 200 times in the Old Testament. 1 Chr 6:41 "Now therefore, arise, O LORD God, to Your resting place, you and the ark of Your strength. Let Your priests, O LORD God, be clothed with salvation, and let Your saints rejoice in goodness.