“I think we need to steer the conversation back to this specific project.”
You're leading a meeting at work. Some of the other people at the meeting are talking about problems in the company, but this meeting is supposed to be for talking about a project that you're planning.
I think we need to steer the conversation back to this specific project.
"Steering" something means controlling which direction it moves in. For example, you steer a car when you drive.
We also use the word "steer" to talk about controlling a conversation. You steer a conversation when there's something that you want to talk about, or something that you want to avoid talking about.
When people bring up politics, I usually try to steer the conversation back to something a little less controversial.
If you'd like to return to a topic that you were talking about earlier, you "steer the conversation back" to that topic.
If you're in charge of a group, or if you feel really confident in your opinion, you can tell people "We need to ___":
We need to get to work. We don't have a lot of time left.
We need to do the best that we can with our current budget.
In English, we care about whether something is general or specific. That's why we use articles like "a" and "the":
I saw a dog.
I saw the dog.
The first sentence is general. It's about a dog which the listener doesn't know about. The second sentence is specific. It's about a certain dog that the listener has seen or heard about.
But sometimes "the" isn't strong enough by itself. One way to make it stronger is with the word "specific":
I've seen a dog that looks like the one you described. I don't know if it was the specific dog you were referring to, though.