Spring boot starter projects are a set of convenient dependency descriptors that you can include in your application. You get a one-stop-shop for all the Spring and related technology that you need, without having to hunt through sample code and copy paste loads of dependency descriptors.
For example, if you want to get started using Spring and JPA for database access, just include the spring-boot-starter-data-jpa dependency in your project.
Spring Boot Starter Web:- If you want to develop a web application or application to expose restful services, Spring Boot Start Web is the starter to pick. Lets create a quick project with Spring Boot Starter Web using Spring Initializr.
See the following maven dependency for Spring Boot Starter Web:-