What is the meaning of the word "care"?

Definitions:

a cause for feeling concern noun
- Their major care was the illness of their spouse.
activity involved in maintaining something in good working order noun
- They wrote the manual on car care.
an anxious feeling noun
- care had aged him
attention and management implying responsibility for safety noun
- They are in the care of a bodyguard.
the work of providing treatment for or attending to someone or something noun
- no medical care was required
to be in charge of, act on, or dispose of verb
- I am caring for the shop while the owner is away.
to feel concern or interest verb
- I really care about my work
to prefer or wish to do something verb
- Do you care to try this dish?