Concepts of Bins in Histogram Analysis

When we per form Histogram Analysis we have to fix the Bin numbers 256, 512, What does it mean and any explanation for setting bin value:

If you click on the question mark in the lower right, you get to the help for the histogram. There you find a short explanation.

The number of bins defines the size of the bins in conjunction with the value range.
For further reading I suggest having a look at wikipedia. I couldn’t explain it better.