2) What does “method” mean? What does “methodology” mean?

Method is valid ways that are necessary for doing a particular thing in accordance with a definite plan. In other words, method is how to do task.

Methodology is defined as a system that comprises the principles, practices and procedures that are applied to a specific branch of knowledge. In other words these employed by discipline. Methodology includes the methods, techniques and procedures that are used to collect and analyze information.

References:
http://www.blurtit.com/q984120.html
http://en.wikipedia.org/wiki/Method
http://en.wikipedia.org/wiki/Methodology