Credit limit â This credit limit is not a total credit limit for the control area. In this way you ensure that a credit restriction will be effective for new customers, too, as soon as the customer has been created. If no credit master record has been maintained, there is no credit limit.he credit master record is automatically maintained when at least one of the following fields is maintained for the corresponding control area. 1  Via the customer master record, you can allocate every customer to a credit risk category. 2  This is used if automatic credit control is used.
light sleep. A colloquial term for the first stage of nonârapid eye movement (NREM) sleep. It is sometimes also applied to the second stage of NREM sleep.
Light's Effect. Light is one of the most important external factors that can affect sleep. It does so both directly, by making it difficult for people to fall asleep, and indirectly, by influencing the timing of our internal clock and thereby affecting our preferred time to sleep.