Concepts
Raster vs. Vector Images
Raster images consist of a grid of pixels and lose quality when scaled (e.g., JPG, PNG); Vector images are defined by mathematical paths and can be scaled infinitely without losing quality (e.g., SVG, AI).
Concepts
What is EXIF Data?
Exchangeable Image File Format. Metadata stored in digital photos containing shooting parameters (aperture, shutter, ISO), camera model, time, and even GPS location.