(a) Polarization process in the molecular system. Inset shows the water molecule model. (b) Bonding structure of NaCl ions with water dipoles. Dashed lines show first and second solvation or hydration shells around ions.
https://www.researchgate.net/figure/a-Polarization-process-in-the-molecular-system-Inset-shows-the-water-molecule-model_fig2_348850175