"Old Masters" refers to European painters who created significant works from the 14th to the 18th centuries. This period includes renowned artists such as Leonardo da Vinci, Michelangelo, and Rembrandt. Their art is characterized by mastery of techniques like oil painting, perspective, and chiaroscuro, which enhances depth and realism. These artists often focused on themes like religion, mythology, and portraiture, reflecting the cultural and social values of their time. The term "Old Masters" is commonly used to describe works that are highly regarded for their technical skill and emotional depth, influencing generations of artists and art movements.