Many things, and different for all its meanings.
A purely human emotion - perhaps enabling the separation of humans from other life?
Common to many feelings - attraction to highest ideals?
Explainable by chemical processes in the brain (mostly).
Not the basis for an ideology - perhaps as in, God is love.
Troublesome when it forces a dichotomy - love is good, whatever is bad.
Others?
So what might be the common features in all the different meanings, what makes one unique and different from other meanings of the word, and perhaps, how useful are some really, perhaps some being purely beneficial to humans?
A purely human emotion - perhaps enabling the separation of humans from other life?
Common to many feelings - attraction to highest ideals?
Explainable by chemical processes in the brain (mostly).
Not the basis for an ideology - perhaps as in, God is love.
Troublesome when it forces a dichotomy - love is good, whatever is bad.
Others?
So what might be the common features in all the different meanings, what makes one unique and different from other meanings of the word, and perhaps, how useful are some really, perhaps some being purely beneficial to humans?