To be quite honest, I don't really like any of the ADLS courses. None of them are very fun.
The meaning of ADLS is "Asymmetric digital subscriber line". It's a kind of DSL broadband communication technology. ADLS allows more data to be sent than a first generation phone modem.
1.2
There is no hierarchy.
hierarchy
The plural form of hierarchy is hierarchies.
Hierarchy
Hierarchy is a noun
Acquisition hierarchy and Financial hierarchy
Acquisition/Procurement hierarchy and Financial hierarchy
Its basically a hierarchy just for quadrilaterals.
Acquisition/Procurement hierarchy and Financial hierarchy