The phrase "certain concessions" means that someone is willing to give up or make small compromises on certain things in order to reach an agreement or settle a disagreement. Full definition
While group life insurance policies make certain concessions, they are largely one - size - fits - all that don't provide the level of customization some people need. (policygenius.com)
Big businesses are accustomed to long term leases, having full service offices, a build out that includes certain concessions, and more. (allwork.space)
The confines of the agreement are that the defendant will plead guilty in exchange for certain concessions by the prosecutor. (cochranfirmdothan.com)