detail

the gory details (humorous)

the interesting details about an event. I hear you went away with Stuart. I want to hear all the gory details.

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go into detail

to explain or discuss each feature or every part of something. Begin the research paper with a general introduction and then go into detail.

Usage notes: often used in the form not go into detail: The band needed a rest from performing but wouldn't go into detail about why.

in detail

in a complete way that includes everything. I can't talk about public education in detail, but in my opinion it is generally very good.