The phrase "crucial details" refers to important facts or pieces of information that are necessary for understanding something fully, making a decision, or completing a task. Full definition
The features page completely missed out on crucial details of the product. (olbuz.com)
That revealed a few more crucial details about the recipe. (chezpim.com)
Therefore, it is important that you provide all the relevant and crucial details in your profile and not include anything that sucks or annoying. (mixedagedating.com)