What is use of Find Tool?

This tool is used to locate the certain method or a certain line of code. Some times  Developers needs to see previously developed source code(methods). To find that source quickly this tool is useful.

For example ,you want write execute query()method in a form. If you are facing any problem in developing that  method, you need to identify the similar methods in the application. Then move the cursor to forms node, then ctr+f,enter the method name ,press ok. Then you will get all the executequery() methods existed in forms.