Different levels of authority?

Hello all,

I was wondering if you could help me to understand the - for lack of better terms - different levels of authority that various church teachings have?

For example: is a view promulgated in a papal encyclical to be considered absolutely binding under pain of sin?

How about a teaching put forth in canon low? binding under pain of sin?

Many thanks in advance for your help!

Surely somebody must know!? :confused:

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