Before reading this help file you may want to check this video. It explains theme functionality and may be easier to understand. Watch Video on Youtube
In order to setup the contact page you must follow the below steps:
Step1: Check if the Contact page exists in admin – pages. If the page doesn’t exist you must create it by using the Contact Page template:
Step2: Set the contact page details in Theme Options > Social & Contact > Contact Page details
Step3: Add social accounts in Theme Options > Social & Contact > Social Accounts
The default contact form can be replaced with a custom form created with the Contact form 7 plugin.
See this help: https://help.wpresidence.net/article/contact-7-for-contact-forms/