Eczema is an inflammatory reaction of the skin that manifests as itching, redness, blisters, swelling and chapping.
With a poor or reduced skin barrier, skin irritation occurs. This manifests as itching, scaling, swelling and redness.
Damages to the skin are called scars. Connective tissue is formed on this skin to seal the damage.
Irregular (dark) discolorations and an uneven complexion are signs of (hyper)pigmentation due to the overproduction of melanin.