Hi Suchetha,
In Designer of 8.0 you get options for creating such reusable components through Snippets, where in you can select a groups of components on a view make a snippet out of it that can be used in other views.
Please find attached document on how to achieve this in 8.0 designers.
But prior to 8.0 ways I can think of is using
Snippets Sample.doc (223 KB)
#MWS-CAF-Task-Engine#webMethods-BPMS#webMethods