This is the 14990th most frequent Russian word.
подробностях
Details.
In this sentence, the word "подробностях" is instrumental in specifying that the discussion will focus on the details or finer points of the project.
Мы поговорим о подробностях этого проекта завтра.
We will talk about the details of this project tomorrow.
In this context, "подробностях" is used to indicate the specific aspects or facets of someone's personal experiences.
После долгого разговора, он наконец открылся о подробностях своей жизни.
After a long conversation, he finally opened up about the details of his life.
Here, "подробностях" refers to specific details about the event that the person chose not to disclose.