I have done some research on the meaning of gestures and have found some great videos on the topic:

 

A more fascinating look at how hand gestures are a powerful communication tool is this video dissecting Donald Trumps hand gestures while campaigning to be President:

And this Tedx Talk by body language expert Mark Bowden:

These videos show how important body language and gestures are to how people see us, and what we project about who we are. Most of us take our body language for granted, and are unaware the dance of communication our body moves through on a daily basis. That’s what I want to capture through my project in an abstract way – give eyes to our hands as they express who we are and what we mean.