Your nose runs like one when you have a a cold

I never move far from my spot, Yet I let the biggest doors swing a lot. I'm small and quiet, but hold it all tight. Without me, nothing opens right.

A legend or key is usually needed for me, while an unflowered rose may join as well. I shrink things for scale, sometimes I have coordinates, other times a grid. I can hold the world and all its features, while depth and height hide between my lines.

Three golf clubs walk into a bar. The putter orders a beer, and the pitching wedge orders a gin and tonic. The bartender asks the third one if he wants anything. The golf club replies: NO THANKS, ...

After scientific studies worldwide, all balloons responded unanimously. Which type of music scares them most.