Cracked olives are olives that have been 'cracked' or split open before curing ~ the process allows the brine to penetrate quicker. Look for them in your supermarket's olive bar.
Olive is one of the most abundant plants in the world, especially in the Mediterranean region. Since ancient times, it has been known for its medicinal benefits, apart from its distinctive taste, which has been made available on various tables. It is very rich in vitamin E and other powerful antioxidants, which is beneficial for the heart. It also has many different types.