Teams are made of people (Management is for improving outcomes from groups of people (Zhou)), and people work better when they know and trust each other (Managers set their /People/ up to succeed (Zhou)).
Meeting in person is a key method for building relationships and trust between people. This can be everything from lunches or dinners to 1:1s and team outings.
There are a couple different types of these meetings, and each instance should focus on only one at a time:
Julie Zhou, The Making of a Manager