Explain about the Constants in c language?

The Constants in C refer to fixed values that don't change during the execution of a program. C has four fundamental types of constants.

Real (floating point) and Integer constant represent numbers. They are frequently referred to collectively as numeric-type constants. The following given rules apply to all numeric constants.

1. Blank spaces and Commas cannot be included within the constant.
2. The constant able to be preceded by a minus( - ) sign if desired.
3. The value of constant can't exceed minimum and maximum bounds.