Answer:
  Network diagram is the type of graphical networking chart that is basically used in the various type of computer telecommunication. The network diagram is useful for the networking designer and also for the network engineer for compiling the network documentation in detail. 
 Wiring semantic is the type of open source prototype platform which basically composed of the programming language and the IDE ( Integrated development environment). The wiring semantic consumer can affect the triggering the new data or information from the existing concepts. 
 
        
             
        
        
        
Used to talk to people, chat with people on mobile.
        
                    
             
        
        
        
Numeric data because it consist of numbers
        
             
        
        
        
The themes gallery is located on the "design" ribbon tab
        
                    
             
        
        
        
Answer:
The answer is "Public Key".
Explanation:
PKI stands for public key infrastructure. It is a collection of functions, protocols, equipment, code, and procedures that require to create, maintain, transmit, store and cancel encrypted certs and handle the authentication of a public key.  
- It is used to sign documents digitally.
- It works for propagating with Trojans and other malware.