Answer / r.chandra shekar

HLD gives an Overview Understanding of a System,
irrespective of the Languages & technologies used for it.
It represents the Modules and sub modules that make up the
system and the interaction with each other.
1) Eg. Functional Architecture(Which gives details about
the Modules)--
a)Use Case Diagram
2)Interaction Diagram
3) Database Design-- which gives the structure and the
Contents Design of the Database .

LLD represents the Low Level representation i.e the Code
Level design which could be used directly by the Programmer
to construct the code.
Eg.
1)Algorithims & Pseudocodes
2)Unit Test Case

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