background

noun:the part of a picture, scene, or design that forms a setting for the main figures or objects
- The mountains provided a stunning background for the photograph.
noun:the circumstances or events that form the setting for an event, story, or situation
- Understanding the political background is essential to grasp the conflict's origins.
noun:a person's education, experience, and social circumstances
- Her background in engineering made her the perfect candidate for the job.
adjective:used to describe something that is not the main focus
- The restaurant played soft background music to create a relaxing atmosphere.