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matter of the heart definition, matter of the heart meaning | English dictionary. matter. 2 substance that occupies space and has mass, as distinguished from substance that is mental, spiritual, etc. n the substance or main theme of a book, discussion, debate, etc.
The heart symbol or heart shape (â¥) is an ideograph used to express the idea of the heart in its metaphorical or symbolic sense as the center of emotion, including affection and love, especially (but not exclusively) romantic love.