Model
Frontend
Magento\Captcha\Model\Config\Form\Frontend
What it does
This class manages the configuration for CAPTCHA forms on the Magento frontend (customer-facing side).
It retrieves which frontend forms should have CAPTCHA enabled (like login, registration, contact forms) from the store configuration at 'captcha/frontend/areas'.
Developers would use this to determine which customer-facing forms require CAPTCHA validation.