Theme is a conceptual element of art that refers to the underlying message or idea conveyed by the artwork. It is not a visual element like color, shape, or perspective.

Contrast refers to the use of opposing elements in an artwork, such as light and dark, large and small, or rough and smooth, to create visual interest and emphasis.

Sculpture is a three-dimensional art form that involves creating forms from solid materials. It is not a technique used in painting, which is a two-dimensional art form.

Balance refers to the distribution of visual elements in an artwork to create a sense of equilibrium and stability. It can be achieved through symmetry, asymmetry, or radial balance.

The Renaissance was a cultural and artistic movement that occurred in Europe during the 14th to 17th centuries. It is not considered a major art movement of the 20th century.

Influence refers to the impact that one artist or artistic style has on another, resulting in similarities or shared characteristics in their work.

Artistic training refers to the formal education and instruction that an artist receives, which can influence their style and techniques. However, it is not a factor that can influence an artist's style in the same way as personal experiences, cultural background, and historical context.

Unique characteristics refer to the distinctive visual elements, techniques, and qualities that set an artist's or artistic style apart from others.

Comparing an artist's style to other artists is not a common way to identify unique characteristics. Instead, art critics and historians typically analyze visual elements, examine techniques, and study historical context to understand the distinctive features of an artistic style.

Mood refers to the overall emotional feeling or atmosphere conveyed by an artwork. It can be created through the use of color, light, composition, and other visual elements.

Content analysis is not a common way to analyze an artwork's style. Instead, art critics and historians typically use formal analysis, historical analysis, and comparative analysis to understand the visual elements, techniques, and influences that contribute to an artistic style.

Symbolism refers to the use of symbols and metaphors in an artwork to convey deeper meanings or ideas. It is a common technique used by artists to communicate complex concepts and emotions.

Analyzing visual elements is not a common way to identify influences in an artistic style. Instead, art critics and historians typically study historical context, examine techniques, and compare an artist's work to other artists to understand the influences that have shaped their style.

Expressionism refers to the use of exaggerated or distorted forms in an artwork to create a sense of emotional intensity or psychological tension. It is a common technique used by artists to convey strong emotions and subjective experiences.

Realistic is not a common way to describe an artistic style. Instead, art critics and historians typically use terms such as abstract, impressionistic, and expressionistic to describe the visual characteristics and techniques that define an artistic style.