11 things that everyone understands but are almost impossible to explain

What does the taste of salt have in common with why we sleep?

They are both concepts that everyone understands but are almost impossible to explain, according to a recent brain-bending Reddit thread.

Read on for more examples of things that you know you know, but you know you wouldn't be able to explain.

What a color looks like. Imagine explaining the colour purple to a blind person. Everyone knows purple but its hard to explain.

Via Rizenshine

That Nickelback has sold 50 million albums.

Via despairepair

The taste of water

Via Lonelyartist99

The definition of the word "the".

Via Khool_aid

Moving. You can wave your arm around but can you explain how you are doing it?

Via X88B88Dude

Terms and Conditions agreements

Via Juiceboxhero

Donald Trump

Via Kevincore

Gravity

Via Workpuppy

Magnets

Via KayJay25

The nod. Everyone knows it, and it'll come up in everyday situations. But it means a lot of different things to different people, but no one can explain where it came from or who taught them the nod

Via Newosan

The voice inside your head as you read this

Via rugbymad104

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