In music, composers sometimes add interesting, ornamental embellishments to their compositions called grace notes. These often-unassuming grace notes add interest to the music we hear. Flourishes.

If you want to cause a stir, put two experts on the social graces together, and bring up the subject of thank you cards. You know, those little notes your mother told you to write that you thought ...

The great painters of the Renaissance looked upon drawings with particular affection; they exchanged them with fellow artists as a mark of respect. Their students pored over them for clues to their ...