Rapid and Blitz Time Increments.

I know I should know this, but what does it mean in Rapid and Blitz Chess, when It says a certain time control with a increment of say 2 or 5 seconds?

Thanks in advance
Steve

Originally posted by Steve45
I know I should know this, but what does it mean in Rapid and Blitz Chess, when It says a certain time control with a increment of say 2 or 5 seconds?

Thanks in advance
Steve

Originally posted by Ragwort
Every time you press your clock 2 or 5 seconds are added to your time.