[header] How to use conversations in google inbox [title] Tap a conversation to open it. [step] A conversation, or " thread ", is a collection of emails based on the subject. When you send out an email, any replies you get from any of the recipients are grouped together in one conversation. 
Likewise, if you reply to an email that you receive, a new conversation is created. [substeps] A conversation is like a forum thread, where all relevant replies are kept in one location.