I am a storage place for intangible things. Remove my last letter for a fright. Remove my first two instead and you’ll be alright.

In pairs, I’m a useful tool, while alone, I’m an impractical fool. I may be simple in my construction, but using me can require some instruction.

I'm fragile and round, with a shell delicately bound; I crack open to reveal a golden treasure inside. What am I?

Sometimes for leisure Sometimes to measure A color to represent:green And the number three if you know what I mean

This could be a message you pass along, or it could be part of a song. Something you might hear from a guitar player. Something you might make with a pen and some paper.