Comparison of localized flare profiles and disk-integrated Sun-as-a-star profiles. Left: A GONG Hα line core image showing a large solar flare (red box) within a field of view (FOV) typical of high-resolution solar observations. Right: The Ca II 8542 Å, Hα, and Ca II K line profiles at different locations: within the FOV in a quiet region (blue), integrated over the quiet-Sun disk for the Sun as a star (orange), and on the flare ribbon (green). The scaled flare (red dashed) is a simple ratio scaling of the FOV area to the total disk area, while the NESSI profile is the result of injecting the average flare profile (green) into a full-disk quiet-sun profile (blue). All profiles are normalized to their respective quasi-continua. The small difference between the red dashed and blue lines illustrates the stark differences between solar and stellar observations.