Grid Concept ?

[sanghai45]

What is grid base concept ? How do we make grid base game ? then what is Tilebased game ? What is the difference ?
I know that bomberman,farmville etc are grid based game are they called tilebased also ?

How do we create grid and place objects on it like framville?

If i am not wrong there will be for loop if grid no of rows and column right ? can any one give me example of it