In this blog, you will learn about the Salesforce App and tabs like what it is and how to create it.
what are Salesforce App and tabs?
the app is a collection of specific functionality and tabs are the navigation bar of the app, more explanation is written below.
What is the salesforce app?
-> An app is a collection of items that work together to serve a particular function. Salesforce apps come in two flavors: Classic and Lightning. Classic apps are created and managed in Salesforce Classic. Lightning apps are created and managed in Lightning Experience.
How to create a salesforce app?
-> Go to setup -> search app in quick find box then tab on app manager then click on the new lightning app for creating new salesforce lightning app.

After clicking on the new lightning app you will get a new screen like this:
Here you can enter the app name, and developer name which are in-app API names, and you can enter an app logo and app description.
after that, you will get a new screen where you can choose navigation style, supported form factor, setup experience, and show on.
finally, you will get a screen where you can add tabs that you want to show in-app.
after that, your app is ready to save and use.
What is tab ?
A tab is like a user interface that is used to build records for objects and to view the records in the objects. There are three types of tabs in Salesforce: Custom object tab. Web tab. Visualforce tab.
how to create a lightning tab?
go to the setup and search tab in the quick find box then click on tabs where you can see the same section as Custom Object Tabs, Web Tabs, Visualforce Tabs, Lightning Component Tabs, Lightning Page Tabs, and in that section you can see the new button where you can create a new tab.