This article is from the Naturism FAQ, by Dennis Kirkpatrick firstname.lastname@example.org with numerous contributions by others.
There are two terms that are commonly used to describe the way of life
rec.nude deals with: "nudism" and "naturism". Some people prefer one
or the other, some use either term, and some use neither. (This will
be discussed later in the FAQ.) Feel free to substitute your own
terminology in your mind as you read.