# Graphics Development Terms ## Blend Mode Defines how new content interacts with existing content to create new visual effects. Different blending modes use unique calculations and produce distinct results when combining layers. ## Text Block A collection of glyphs and their positions that share the same font. ## Shader A specialized program used for rendering and processing images. It controls how pixels are processed, including color calculations and visual effects like shadows. Applying different shaders can create a variety of visual styles. ## Image Filtering A key technique in image processing. It enhances or removes specific elements in an image through filtering operations. Different filters can be applied to achieve various visual effects.