Was January 6th 2021 an insurrection? S3E5

Biden said of J6ers: “Don’t dare call them protesters. They were a riotous mob. Insurrectionists. Domestic terrorists. It’s that basic. It’s that simple.” But what is an insurrection and do the facts of January 6th meet that definition? Were the events of J6 VIOLENT? Were the events of J6 planned to be VIOLENT? Were the events of J6 AGAINST AUTHORITY? What does the Constitution say about Insurrection?