Variants include "Will care," "Do care," and "Care about ____."
"Go Raiders Woo!"
"Care about the Raiders."
2 - to show affection or love to someone.
3 - to provide for someone in need.
4 - a recently used North American slang that emphasizes your lack of interest in a matter or to simply interrupt someone in conversation.
3 - I will take care of all the work.
4 - How are you doing today?
Well I am doing...