This 
               		section of the 
               		  documentation uses a number of terms as defined in the Jenkins UI. For a full list of the Jenkins terms, see the Jenkins user documentation.
               
               	 
            
 
            	 
             
               		 
               		  
               - Agent 
                  		  
               
-  A machine which connects to a Jenkins master and executes tasks when directed by the master.1 
                  		  
               
- Job 
                  		  
               
-  A deprecated term, synonymous with project.
                  		  
               
- Master 
                  		  
               
-  The central, coordinating machine which stores configuration, loads plugins, and renders the various user interfaces for
                  Jenkins.2 
                  		  
               
- Node 
                  		  
               
-  A machine which is part of the Jenkins environment and capable of executing pipelines or projects. Both the master and agents
                  are considered to be nodes. 
                  		  
               
- Pipeline 
                  		  
               
-  A user-defined model of a continuous delivery pipeline.3
                  		  
               
- Plugin 
                  		  
               
-  An extension that provides additional functionality that is not provided by standard Jenkins. 
                  		  
               
- Project 
                  		  
               
-  A user-configured description of work which Jenkins should perform, such as building a piece of software.