Many Orthodox calendars use the following designators. This is what they mean.
All dairy products, in addition to fish, wine, and oil
Wine and oil"The true fast is to abstain from sin." -- St. John Chrysostom
For most of us converts, fasting simply wasn't a part of our Christian experience. But in the Orthodox tradition, fasting has always been a central part of the spiritual life. It is something the Church has always done.
Lenten cooking can present a challenge. Where do you even begin? There are lots of resources at your disposal. First of all, we're a community. We have several very good cooks in the church who've been Orthodox a long time. A good place to start is by asking them to share a recipe or two. All of them have a list of favorite Go To Lenten recipes. It's an easy way to start compiling a list of the "the best."
In addition, here's a short list of good Lenten Cookbooks, each with lots of really tasty recipes.