Pointâofâsale transactionsâi.e., swiping a card at the time of purchaseâsecurely encrypt the. credit card data. Cards placed on file for future transactions, such as for express checkâout, use. tokens to access card data.
The outermost layer of Earth is the atmosphere. I say the atmosphere is the outermost layer, because it is as much a part of the of our planet as the atmosphere of other planets is a part of their definition.
epÂ·iÂ·derÂ·mis. n. 1. The outer, protective, nonvascular layer of the skin of vertebrates, covering the dermis. 2. An integument or outer layer of various invertebrates. 3. The outermost layer of cells covering the leaves and young parts of a plant.. 1. The outer, protective, nonvascular layer of the skin of vertebrates, covering the dermis. 2. An integument or outer layer of various invertebrates.