1.
to care for sb/sth/yourself; to be careful about sth :
Who's taking care of the children while you're away?
She takes great care of her clothes.
He's old enough to take care of himself.
2.
to be responsible for or to deal with a situation or task :
Don't worry about the travel arrangements. They're all being taken care of.
Celia takes care of the marketing side of things.