The world can be a scary, confusing place – but it can also be one that makes total sense in its perfect design. It’s all about your perspective. By changing the way you see the world – or what you know about it – you can transform it into something else entirely.

Did you know there is a purpose for just about everything, from the tiny hole next to your phone’s camera to the arrow next to your car’s gas level indicator? Yep, those random objects you never think twice about actually have a purpose, and they can make your life so much easier!

Here are 30 things you’ve seen every day but never knew the use of.