Q1) How to communicate Test Director from WinRunner using TSL
Q2) How do you identify logical errors in a script?
Q3) while tetsing image how do you allow some pixel difference is valid?
Q4) How do you identify the objects whose properties are changing at runtime?
It appears you are taking an exam given your questions here and those questions in the TestDirector forum??
Do you have access to the User Guides and tutorials so that you can get your questions answered?
Also, take care to read the posting instructions you received when you subscribed. Pay attention to the topic naming guides. A topic by the name of "WinRunner" in the "WinRunner" forum is not helpful to those potential helpers filtering on topic names.