"Counselingⁱ component" when used speaking about a treatment center for addiction, therapy means that there will be one-on-one counseling or group counseling as part of the program.
Counseling is a highly critical component to getting better when it comes to addiction. At its core it is generally accepted that if you cannot talk about the problems that got you into your addiction.
You will have little hope for recovering long term and will likely relapse repeatly.