[have] a part (to play|) in {sth}
1
to be an important factor in something
The idiom "have a part in something" is derived from the concept of participation or involvement in an event, activity, or decision. It is used to imply that an individual or group plays a role or contributes to a particular situation, project, or process. The origin of this idiom is not tied to a specific historical event, but rather reflects the natural development of language to express the idea of being an active participant or having a role in various activities.
- As a team leader, she has a part in making crucial decisions that affect the project's outcome.
- The local community members are proud to have a part in organizing the annual charity event.
- Each member of the family has a part to play in planning the holiday celebration, from decorating to cooking.
- Teachers have a significant part in shaping the future of their students through education and guidance.
- In a democratic society, every citizen has a part to play in the political process by voting and expressing their opinions.