What does "love" mean to me?

According to Longman Dictionary of Contemporary English, love has about 3 big meanings.
First is for family or friends, a strong feeling of caring about someone, especially a member of your family or a close friend.
Second is romantic, a strong feeling of liking someone a lot combined with sexual attraction.
Third is pleasure or enjoyment, a strong feeling of pleasure and enjoyment that something gives you.
Thus, "love" is "a strong feeling".
To think about someone or something very deep, that is love.
For example, parents worry about their children when the child does not get home till late without contact, although the child may feel unpleasant, that is one of parents's love.