What does it mean when we say "Jesus decended into Hell"?

I’m trying to explain to a fellow Catholic what we mean in the Apostles Creed that “Jesus descended into Hell”. I’m having a hard time explaining. Can someone please help me to put it in words? Thank you. God bless you.

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Recommended Reading:

*]In the Creed what is the place of “the dead”?
*]Why do we say Jesus descended into hell?
*]What does “descended into hell” mean?

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