Background
Part of speech: noun
Definition: One's social heritage; what one did in the past/previously. A part of the picture that depicts scenery to the rear or behind the main subject; context. Information relevant to the current situation about past events; history. A less important feature of scenery (as opposed to foreground.) The image or color, over which a computer's desktop items are show (e.g. icons or application windows). Activity on a computer that is not normally visible to the user
Example sentence: The change I want to see is a start-up environment where everyone, regardless of gender and background, feels welcome and safe; where sexual harassment or discrimination will not impede great talent from producing great impact.
Backdrop
Part of speech: noun
Definition: A decorated cloth hung at the back of a stage.The setting or background of a historical event.
Example sentence: For me, the backdrop of half the experiences of life includes music.