What is Table view?

It is commonly used to show list of data in the form of Records.
2-What is Web Services?
Answer:-
Web services are application programming interfaces [API]
or Web API's that are accessed via Hyper Text protocol and excited on a remote system hosting the requested services. 

What are the Design Patterns?

Answer:-
Design Patterns :

1. MVC
2. Singleton :
   

A system only needs to create one instance of a class, and that instance will be accessed throughout the program. Examples would include objects needed for logging, communication, database access, etc. You could pass such an instance from method to method, or assign it to each object in the system. However, this adds a lot of unnecessary complexity.

Factory design pattern :

The factory method pattern is an object-oriented design pattern to implement the concept of factories. Factory method Pattern is to "Define an interface for creating an object, but let the subclasses decide which class to instantiate.