Langerhans' cell histiocytosis can manifest as three distinct clinicopathologic entities: acute disseminated Langerhans' histiocytosis (previously known as Letterer-Siwe disease), unifocal Langerhans' cell histiocytosis (previously known as eosinophilic granuloma).
average handle time (AHT) Average handle time (AHT) is a call center metric for the average duration of one transaction, typically measured from the customer's initiation of the call and including any hold time, talk time and related tasks that follow the transaction. AHT is a prime factor when deciding call center staffing levels.
Accounting ratios only rearrange business data; they are mostly insignificant by themselves. The interpretations and uses of the average collection period vary between businesses and industries. For example, suppose it takes a company an average of 25 days to turn receivables into cash. Whether this is good or bad depends on the credit terms, cash flow, relative industry standards and a host of other factors.