Some people ...
Some people bow
Some people ...
Some people fistbump
Some people ...
Some people elbow tap
Some people ...
Some people salute
Some people ...
Some people wave hands
Some people ...
Some people high five
Some people ...
Some people kiss one’s hand
Some people ...
Some people finger point / point at each other
Some people ...
Some people hug.
Some people ...
Some people shake hands
Some people ...
Some people kiss on the cheek