'Static readonly' vs. 'const'

Question

I\'ve read around about const and static readonly fields. We have some classes which contain only constant values. They are used for various things

Answer 1

A few more relevant things to be noted:

const int a

• must be initialized.
• initialization must be at compile time.

readonly int a

• can use a default value, without initializing.
• initialization can be done at run time (Edit: within constructor only).