Originally Posted By: twosleepy

4. If you find something too obscure to be familiar to you, you have many choices. Ignore it. Google it. Wiki it. Ask in a post. If you are worried about appearing "dumb", you have the option of sending a PM (Private Message) to anyone asking whatever you like.

Remember. There are a lot of people here from all over the world and they know a lot of different obscure things. Some of them (who, me?) just sort of assume that everyone knows all the same stupid stuff as they do, so don't be afraid to ask.