A set of guidlines to achieve a complext task in an 
efficient and optimized way.
Linear
Modular
Keyword driven
Hybrid
Based on keywords, we can call actions,functions so that 
they called it as keyword driven.

In real time projects ,we use to call ,Frame work as a 
folder. This folder contains the components such as , 
Object Repository,logs ,test data,script,result...etc. so 
whatever files are created to develop a script are stored 
in a sepatate folder,which is nothing but a framework

HI,suppose test engnr every day execute no of test cases & 
Functionalities through QTP.amongthoughes some of d 
function or functionlities or modules v have 2 use 
frequetly .so tht difcult 2 call every time those functions 
whenever v need so that v put all functions & 
functionalities ,test data & corresponding 
functi0nalities ,some specific files ,whenever user v 
reruire dis concept is called as frame work.it is easy 2 
maintain all library files.
QTP provide no of frame works 
-liniar framework
-modular framework
-datadriven
-functional
-keyword driven
It is a Generic or Common Frame Work (set of Guidelines)
designed by the  Experts and used by many people to
accomplish or to finish a task in an Effective, Efficient or
professional  and Optimised Manner

Hi, Basically framework is a set of assumptions, concepts
and tools, which provides support to the automated testing.
Basically there are 3 types of Automation Framework
1. Data Driven
2. Keyword Driven
3. Hybrid Framework.
And QTP supports Keyword driven framework that is why qtp
has given that caption.