Difference between 'Time' and 'CurTime' in MT3?

 
I am converting an MT3 expert to run on MT4 and need to know what the difference between 'Time' and 'CurTime' is.

This is how it appears in the code:

If TimeYear(time)<StartYear then Exit;  

if Curtime - LastTradeTime < 11 then exit;



Thanks in advance.

 
Time is like Time[0] ie time of beginning of the current bar