Difference between HLD(High Level Design) and LLD(Low Level Design)?

 Difference between HLD(High Level Design) and LLD(Low Level Design)?                                                                                                                                                                                                                    

HLD (High Level Design)	LLD (Low Level Design)
a)Describes the main components that would be developed for the resulting product.	a)Describes the design of each element mentioned in the HLD of system.
b)The System architecture details, DB Design, Services and processes, relation between modules and features.	b)Classes, Interfaces, Relation between different classes and actual logic of various components.