To deploy an application image when Docker Engine is in swarm mode, you *create a service.*
A service is the image for a microservice within the context of some larger application.
A *service* is the image for a microservice within the context of some larger application.
Examples of services might include an HTTP server, a database, or any other type of executable program that you wish to run in a distributed environment.
`_Examples of services might include an HTTP server, a database, or any other type of executable program that you wish to run in a distributed environment._`
@ -273,7 +273,7 @@ A *task* is the atomic unit of scheduling within a swarm.
When you declare a desired service state by creating or updating a service, the orchestrator realizes the desired state by scheduling tasks.
For instance, you define a service that instructs the orchestrator to keep three instances of an HTTP listener running at all times.
`_For instance, you define a service that instructs the orchestrator to keep three instances of an HTTP listener running at all times. _`
The orchestrator responds by creating three tasks.