The options screen offers a variety of configuration, pairs, securtiy and miscellaneous options.
The server button enables you to edit the server configuration for the bot you're running.
The exchanges button enables you to configure exchange API key secrets.
The Telegram bot button enables you to configure your Telegram bot. Also used for the first verification process.
The instances button enables you to configure multiple instances.
The mass apply button will take you to a screen which allows you to quickly configure multiple pairs at once.
The add pairs button enables you to add single or multiple pairs. It also has the option to set a group and strategy for the selected pair(s).
The SSL button gives an overview of the current certificate you're using. By pressing "Edit" it gives you the option to edit SSL configuration.
The enable 2FA button gives you the option to enable two-factor authentication.
The log buttons gives an overview of the Zeno GUI log. This is also displayed in zeno-log.txt, in your installation directory. It shows up to the last 500 lines.