This option allows you to save responses, which can be handy when repeatedly writing emails with the same text.
Note: these are only text snippets that can be inserted anywhere and not message templates with subject, text or attachments.
There are two ways of creating a Response.
Enter a name to identify your response, the text and finally Save.
You can also edit your responses from here: their names, their contents, delete them, add new ones.
Go to Compose and click on Responses button in the top bar to add or insert a response to your email.
You have three options here:
Insert a response: If you have one or more responses set up, they will appear here. Just click on it to insert it your email.
Create a new response: Click on this option to create one. The creation box will open, enter a name and text of your response and save it.
Edit responses: Clicking on this option will get you to the Settings, in the Responses section where you can edit the responses.