noun:a specific task or assignment given to a person or group, especially one that is important and requires effort to accomplish
Her mission was to negotiate a peace agreement between the two rival factions.
noun:the overall purpose or goal that guides the activities of an individual, organization, or movement
The nonprofit's mission is to provide clean drinking water to underserved communities.
noun:a diplomatic or official delegation sent to another country to represent the sending state’s interests
The French mission arrived in Tokyo to discuss trade agreements.
noun:a religious or humanitarian outreach effort, often carried out in a foreign or remote area, to spread faith or provide aid
The missionaries set up a medical clinic as part of their mission in the rainforest region.
noun:a military operation or assignment carried out by armed forces to achieve a specific objective
The special forces completed the rescue mission without any casualties.