A "concrete plan" refers to a specific and detailed strategy or idea that is well thought out and practical. It means having a clear and structured approach to achieve a goal or complete a task. Full definition
Don't have concrete plans for the most romantic day of the year yet? (spitzersheffield.com)
Speaking with an agent will help get you a more concrete plan of savings and options before purchasing a life insurance policy. (trustedchoice.com)
Instead of making concrete plans to either repay the debt, settle, or file for bankruptcy, they go on extending the pain and the inevitable. (jclawgroup.com)