How 'downward' ends up meaning 'no'

Where the picture shows up in down

1. 1

   the body goes down

   Please sit down and wait for your name.

   pliːz sɪt daʊn ənd weɪt fɔːr jʊər neɪm

   Please have a seat and wait until your name is called.

   A standing body folds at the knees and settles onto the chair

2. 2

   the volume goes down

   Can you turn the music down a little?

   kən juː tɜːrn ðə ˈmjuːzɪk daʊn ə ˈlɪtl

   Could you lower the music a little?

   The volume bar shrinks downward, one notch at a time

3. 3

   the power goes down

   The system went down this morning.

   ðə ˈsɪstəm went daʊn ðɪs ˈmɔːrnɪŋ

   Our system crashed this morning.

   A running machine loses power and slumps where it stands

4. 4

   words settle onto paper

   Let me write down your number.

   let miː raɪt daʊn jʊər ˈnʌmbər

   Let me note your number.

   A number floating in the air settles onto the paper and stays there

   A floating word is pressed down onto the page.

5. 5

   an offer is pushed down

   They turned down my application.

   ðeɪ tɜːrnd daʊn maɪ ˌæplɪˈkeɪʃən

   They rejected my application.

   A raised application is pressed back down with a flat palm