Compact frames (frames with sloping top tubes) start throwing these measurements off, at least as compared to traditional frames. Thus the concept of effective measurements (i.e what a measurement on a compact bike would equate to on a bike with a traditional frame) The top tube measurement is from the seat post to the head tube.
Acculturation A term which is generally defined as the exchange of cultural features (traditions, values, or religious beliefs comprising the way of life) which results when groups of individuals from different cultures come into continuous direct contact, resulting in an alteration in the cultural patterns of one or both groups.
Saturation means holding as much moisture as possible. When you water your houseplants, you may soak them until the soil around each plant reaches saturation. The noun saturation means the act of completely soaking something until it's absorbed as much water as it can. Imagine a sponge that can't get any more wet, and you'll have an idea of what saturation means. When you're talking about art, saturation means the amount of bright, undiluted color in a painting or photograph, usually colors that are quite intense and unshaded. The Latin root saturatus means to fill, sate, or drench.