What is the meaning of the word "crack"?

Definitions:

a blemish resulting from a break without complete separation of the parts noun
- there was a crack in the mirror
a narrow opening noun
- I opened the window a crack to let the smoke escape.
a sudden sharp noise noun
- the crack of a whip
a usually brief attempt noun
- The manager took a crack at the problem their employee had been working at.
to become fractured verb
- The screen cracked on my phone.
to break into simpler molecules by means of heat verb
- The petroleum cracked
to break partially but keep its integrity verb
- The glass cracked.
to cause to become cracked verb
- heat and light cracked the back of the leather chair
to gain unauthorized access computers with malicious intentions verb
- You cracked my password.
to hit forcefully verb
- My hard tackle cracked the opponent's helmet.
to make a very sharp explosive sound verb
- Their gun cracked.
to pass through a barrier verb
- Registrations cracked through the 30,000 mark in the county
to suffer a nervous breakdown verb
- After weeks of stressful work, I finally cracked.
to tell spontaneously verb
- crack a joke