To delegate effectively you need to set SMART or SMARTER tasks. This YouTube video introduces the acronyms and how they are used:

How to set SMART or SMARTER goals, tasks and objectives

Setting SMART goals helps us ensure that goals are actually achieved. It helps take the goal from an idea to a plan that we have committed to. Equally, the SMARTER approach provides a useful checklist and process by which both a manager and employee can agree upon the parameters for a task and be accountable for its outcome. Setting SMARTER tasks helps to build in the reviewing and learning from goals that if often forgotten or neglected.

For more information, follow the link to the full article:

How to Delegate Tasks the SMART Way