I'm not sure that this site's descriptions are the best, but it's a place to start getting your head around the functions:

Extraverted Feeling

Links to the other processes are under the description of extroverted feeling.

If you have a look at introverted sensing, introverted intuition, extroverted sensing and extroverted intuition, and estimate the extent to which you use each, you'll be better set to evaluate your type.