How to Speak English Fluently

In English, we say concrete details. Concrete details just refers to this term, this expression, giving exact information. For example, let me give you concrete details. My next class will be on this day at this time. I'm going to need concrete details before we detain him. Before we keep him, I need to know the facts. Tell me the concrete details. Make sense, right? Here we go. A patient may need to have the research described in concrete detail, all the facts, to make his decision. And finally, detectives must have concrete details of the crime to start their investigation.