The phrase "further action" generally refers to additional steps or measures that are necessary in order to achieve a particular goal, resolve an issue, or complete a task. It can imply that more information is needed, more investigation is required, or further discussions need to take place before making a decision or taking the next step. The phrase can also be used to indicate that legal proceedings or formal processes are necessary in order to address a situation fully. In essence, "further action" means there is more work to be done before reaching a conclusion or achieving the desired outcome.