The denotation of this example is a red rose with a green stem. The connotation is that it is a symbol of passion and love - this is what the rose represents.

The denotation of this examples is a mosque.The connotation is that it is a symbol of islam-this is what the mosque represents.

The denotation is a representation of a cartoon heart. The connotation is a symbol of love and affection, not in the way of a rose, but a symbol of true love.