1 - Flash, is a light source for attachment to, or built into a camera for taking photographs at night, or in poor light, or to ‘fill’ light into shadow areas. See: Photography Equipment.

2 - Flash, called, Macromedia Flash is the brand name of software product used for producing animations & webpages. These can range from simple movements in graphics to sophisticated cartoons. The resulting animations can be integrated into a website entirely or via other software, such as Dreamweaver. Flash can be self tuaght see: Flash Tutorials.