Here are some quick information about cameras you might be interested in:
DSLR : Digital single-lens reflex cameras are powerful digital cameras with a extensive adjustments for professional or photography enthusiasts. It combines the parts of a single-lens reflex camera (SLR) and a digital camera back, which replaces the photographic film. Features like live preview, HD videorecording with contrast detection autofocus or ergonomic integration like dedicated film speed (ISO) buttons took further advantage of the digital image sensor.
The Mirrorless interchangeable-lens camera (MILC) is rather new and it is a very popular class of digital system cameras. Unlike a compact digital camera, a MILC is equipped with an interchangeable lens mount and unlike a DSLR, a MILC does not have a mirror-based optical viewfinder. This is for those who want more control over their photographs and still have a compact size camera.
A point-and-shoot camera, also called a compact digital camera, is made for those who wants to take images without all the manual adjustment. Most compact digital cameras use focus free lenses or autofocus for focusing, automatic systems for setting the exposure options, and have flash units built in. This camera is very easy to use and great for first time camera user, beginners and daily use.