The term 'IMPORTANT ASSIGNMENT' can be summarized as a MISSION that is of great importance. It is a task that requires dedication and focus in order to be completed successfully. The crossword solutions for this term are MISSION, which is a job or duty assigned to someone, usually with a specific goal in mind. This MISSION could be anything from a military operation to a business venture. Regardless of the type of MISSION, it is important to have a clear understanding of the objectives and the resources available in order to achieve success.