I am a silent worker with a frozen core, keeping secrets you later share. Open me once, shut me fast, Or the future melts into the past.

Like a stream of though, I can take multiple forms: In the physical world, I’m an artery for wildlife; In the world of ideas, oft do-I compare time or life; Yet, across the world, my meanings stay uniform.

Granny's garden grows a gentle gem, glowing with grace. A prickly protector with petals that please, prized for its perfume and pretty poise.

I'm in machines In One Piece I'm in games And one of my definitions is to wear myself

Alice and some amino acids are in my plural form. More than one of me keeps prisoners from escaping.