Top row: selected samples of the local A, F, and RC stars and G and K dwarfs on the absolute CMD constructed with the de-reddened Gaia DR2 colours and magnitudes (left). Completeness of these samples as given by Eq. (4) over the CMD (middle) and across the sky (right). Bottom row: kinematic subsamples selected from the samples from the top row, except for A stars (left). Illustration of an additional incompleteness introduced by selecting only stars with available radial velocities (see Eq. (5)) and variation of this incompleteness over the CMD (middle) and across the sky (right).