The contacts you remove remain in your Gmail contact list but aren't part of the label until you re-add them. Creating email groups for your Gmail account allows you to send the right email to the ...
Having all your contacts accessible from your Gmail account is convenient. It removes the hassle of needing to refer to your Android-saved contacts whenever you want to send an email to one of them.
Your Gmail account is a good place to store your contacts. Anyone in your contact list is immediately available on all your devices. You can even save additional information like their birthdays and ...