Key definitions:
Exposure Compensation – Exposure compensation is a technique for adjusting the exposure indicated by a photographic exposure meter, in consideration of factors that may cause the indicated exposure to result in a less-than-optimal image.
What does this mean?
Exposure Bracketing – a technique where you take multiple pictures of the same image at different exposures, then layer them to create one image

What does this actually do?
Exposure bracketing works well when shooting in conditions where the camera cannot take a natural-looking photograph. For example, when a bright light – the sun – causes extreme highlights and shadows.
HDR photos – In photography and videography, multi-exposure HDR capture is a technique that creates high dynamic range images by taking and combining multiple exposures of the same subject matter at different exposures.

What does this actually mean for photography?
There are several reasons why bracketing is essential in photography: It allows you to capture every detail in a scene. It helps you avoid overexposing or underexposing your photos. It gives you more options to choose from when you’re editing.
AEB
What is it?

It is a feature which allows you to take a sequence of images at different exposure values. This is useful when it is difficult to determine the correct exposure, or when dealing with moody lighting or interiors where it is often desirable to have a range of exposures to pick from later.
