One viable setup that is certainly useful and helpful is the setup that I'll show you through this video. This way, it will help you minimize your time trying to find some responses/messages from your contacts.
Through column adjustment and filtering contacts, you'll immediately find out who has sent you a message or whatever actions your contacts have taken.
Here's a short video tutorial for the advanced lead sorting setup. https://youtu.be/eFrCRPsDZ9s