Lead forms are relevant for gathering the information of the potential customers such as their contact details, email addresses to further engage them with the necessary content. They are considered as the first and most important step towards creating a strong customer base.
Now you can track the data of the users who have filled the lead forms or track any event hit by them with NotifyVisitors configuration in lead forms. You can sync all the data of the lead forms and create a user list to further create a journey of the users, segment them or send them the relevant campaigns.