Stokes I profiles from different features of the sunspot and the quiet Sun. From top to bottom: umbral dots, dark umbral core, penumbral filament head, spine in penumbra, penumbral filament tail, and quiet Sun. At each feature, we show profiles from four sample pixels and indicate the equivalent widths (in mÅ) and normalized line depths. These pixels are at the centers of the squares marked on the images in the last column. The profiles are shown for both the Fe I and the Ti I spectral lines. They are normalized to the spatially averaged quiet Sun continuum intensity (I_c − qs). The contrast on the last column was adapted for better representation of the different features.