When you open ArcGIS Pro, you have the option to open an existing project or create a new one. If you choose to create a new one, you first select a template. The template automatically generates content and connections within the new project that is created. The template can create maps, scenes, layouts, folder connections, database connections, and more.
In addition to what is created by the template, a new project-specific file geodatabase and toolbox are created in the Home folder. Remember that the Home folder is the folder that contains the new project that is created by us. Your new project will set these as the default geodatabase and toolbox used by the new project automatically.
Esri has already created some templates that you can use to begin creating new projects as soon as you install ArcGIS Pro. This includes four templates, each with a specific use in mind. They are as follows: