How can a signal be plotted with a background color that relates to a longer time frame?

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One way to plot a signal with a background color that relates to a longer time frame is to use a shaded area plot. This involves adding a shaded area to indicate the longer time frame, such as a grey or light-colored background spanning the length of the plot. The plot of the signal can then be overlaid on top of this shaded area. This allows the viewer to easily see how the signal behaves in relation to the longer time frame context. Another option is to plot the signal and the longer time frame data on separate axes with different background colors to differentiate them.