QuickTest?s Keyword Driven approach, test automation experts
have full access to the underlying test and object 
properties, via an integrated scripting and debugging 
environment that is round-trip synchronized with the 
Keyword View.
Advanced testers can view and edit their tests in the 
Expert View, which reveals the underlying industry-standard 
VBScript that QuickTest Professional automatically 
generates. Any changes made in the Expert View are 
automatically synchronized with the Keyword View.

keyword view---->shows exact recording of the applications

expert view----->applications VBscripting is displayed..

keyword view enables you to create and view the steps of 
your test or component in a keyword driven modular table 
format. You create or modify test or components by 
selecting items and operations in keyword view and entering 
information as required.
expert view on the other hand displays each operation you 
perrform in the form of a script comprised of vb 
statements.for each object and method in expert view 
statements there exists a row in keyword view.

EXPERT VIEW:It represents the script in vb script format.
KEYWORD VIEW:It represents the script using Graphical User 
Interface divided in to 
1)item
2)operation
3)value
4)documentation