45bff5a3_tract_Class___Jinal_Desai__NET__Interface
[Parameter] Purpose [Abstract Class] Abstract Class suits to implement core requirements that is shared among common type of objects. i.e. Person abstract class can be inherited by Manager, Supervisor, Clerk, Administrator… [Interface] 
Interface suits to implement peripheral requirements. i.e. both person and vehicle class can implement IRun interface.
Interface Vs Abstract Class | Jinal Desai .NET
Interface