Briefing summarize the purpose of day of atonement in Leviticus 16?

The purpose of the Day of Atonement in Leviticus 16 was to provide a way for the Israelites to be cleansed of their sins and to make atonement for themselves and the tabernacle. It involved rituals of sacrifice, purification, and confession of sins, with the ultimate goal of restoring the relationship between the people and God. The day was considered the most holy and solemn day of the year in the Israelite calendar.