Original: Tarama is salted and cured cod roe used to make taramosalata, a Greek meze consisting of tarama mixed with lemon juice, bread crumbs, onions, and olive oil; it is  eaten as a dip.
Simplified: Tarama is carp roe used to make taramosalata. Taramosolata is a Greek and Turkish food that is made of tarama mixed with lemon juice, breadcrumbs, onions, and olive oil.