Not to belabor the issue, but I don't know you well enough to know if the way you answered the question is just your style. Certainly, it seems Mistfall was rubbed the wrong way. And finally, I wouldn't expect her to know you very well, either. As an example, on nearly the same day, I'll post the response to an equally basic question asked in the photography by a newbie who just joined: "Let me be the first to say welcome to the forum.....I suggest you click on the Resource Center link above and head on over to the Photo Dictionary.....that might be of some help to you with the techy word stuff. And stick around here you'll learn quite a bit just by osmosis.... :~)" And I'm sure she has to answer a lot of repeat questions like that. So, above, I think, is a nicer way to welcome someone to the forum.