Meaning

1. to close, to shut
2. to shut down, to close down
3. to turn off, to shut off (to rotate a tap or valve so as to interrupt the outflow of liquid or gas)
4. to enclose
5. to lock, to lock up
6. to seal, to close (e.g. a deal, a breach, a rift)
7. to close up, to close off (e.g. a wound)
8. to close, to conclude, to end
9. to close (itself) (e.g., a store, a door)
10. to close off (oneself)